Overview

Sexual dysfunction is distressing for female patients and their partners and can have a profoundly negative impact on patient quality of life and self-image. However, providers often find discussion of patient's sexual concerns difficult, due in part to a lack of knowledge, skills, and confidence in their ability to initiate discussion and assess and treat sexual dysfunction. To compound this, there are few approved options for the treatment of female sexual dysfunction. This course will outline appropriate approaches to the assessment, diagnosis, and treatment of female sexual dysfunction in order to enhance patients-provider communication and improve patient outcomes and well-being.

Education Category: Women's Health - Maternal / Child
Release Date: 12/01/2016
Expiration Date: 11/30/2019

Audience

This course is designed for healthcare and mental health providers involved in the assessment and/or treatment of female sexual dysfunction.

Accreditations & Approvals

NetCE is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. NetCE is accredited as a provider of continuing nursing education by the American Nurses Credentialing Center's Commission on Accreditation. NetCE has been approved by NBCC as an Approved Continuing Education Provider, ACEP No. 6361. Programs that do not qualify for NBCC credit are clearly identified. NetCE is solely responsible for all aspects of the programs. NetCE, #1092, is approved as a provider for social work continuing education by the Association of Social Work Boards (ASWB) www.aswb.org through the Approved Continuing Education (ACE) Program. NetCE maintains responsibility for the program. ASWB Approval Period: 03/13/2016 to 03/13/2019. Social workers should contact their regulatory board to determine course approval for continuing education credits. NetCE is accredited by the International Association for Continuing Education and Training (IACET). NetCE complies with the ANSI/IACET Standard, which is recognized internationally as a standard of excellence in instructional practices. As a result of this accreditation, NetCE is authorized to issue the IACET CEU. NetCE SW CPE is recognized by the New York State Education Department's State Board for Social Work as an approved provider of continuing education for licensed social workers #0033. This course is considered self-study, as defined by the New York State Board for Social Work. NetCE is recognized by the New York State Education Department's State Board for Mental Health Practitioners as an approved provider of continuing education for licensed mental health counselors. #MHC-0021. This course is considered self-study by the New York State Board of Mental Health Counseling. NetCE is recognized by the New York State Education Department's State Board for Mental Health Practitioners as an approved provider of continuing education for licensed marriage and family therapists. #MFT-0015. This course is considered self-study by the New York State Board of Marriage and Family Therapy. Materials that are included in this course may include interventions and modalities that are beyond the authorized practice of licensed master social work and licensed clinical social work in New York. As a licensed professional, you are responsible for reviewing the scope of practice, including activities that are defined in law as beyond the boundaries of practice for an LMSW and LCSW. A licensee who practices beyond the authorized scope of practice could be charged with unprofessional conduct under the Education Law and Regents Rules.

Designations of Credit

NetCE designates this enduring material for a maximum of 5 AMA PRA Category 1 Credit(s)™. Physicians should claim only the credit commensurate with the extent of their participation in the activity. NetCE designates this continuing education activity for 5 ANCC contact hour(s). NetCE designates this continuing education activity for 2 pharmacotherapeutic/pharmacology contact hour(s). NetCE designates this continuing education activity for 6 hours for Alabama nurses. NetCE designates this continuing education activity for 2.5 NBCC clock hour(s). Social workers participating in this intermediate to advanced course will receive 5 Clinical continuing education clock hours, in accordance with the Association of Social Work Boards. Successful completion of this CME activity, which includes participation in the evaluation component, enables the participant to earn up to 5 MOC points in the American Board of Internal Medicine's (ABIM) Maintenance of Certification (MOC) program. Participants will earn MOC points equivalent to the amount of CME credits claimed for the activity. It is the CME activity provider's responsibility to submit participant completion information to ACCME for the purpose of granting ABIM MOC credit. Completion of this course constitutes permission to share the completion data with ACCME. AACN Synergy CERP Category A. NetCE is authorized by IACET to offer 0.5 CEU(s) for this program.

Individual State Nursing Approvals

In addition to states that accept ANCC, NetCE is approved as a provider of continuing education in nursing by: Alabama, Provider #ABNP0353, (valid through December 12, 2017); California, BRN Provider #CEP9784; California, LVN Provider #V10662; California, PT Provider #V10842; Florida, Provider #50-2405; Iowa, Provider #295; Kentucky, Provider #7-0054 through 12/31/2017.

Individual State Behavioral Health Approvals

In addition to states that accept ASWB, NetCE is approved as a provider of continuing education by the following state boards: Alabama State Board of Social Work Examiners, Provider #0515; Florida Board of Clinical Social Work, Marriage and Family Therapy and Mental Health Counseling, CE Broker Provider #50-2405; Illinois Division of Professional Regulation for Social Workers, License #159.001094; Illinois Division of Professional Regulation for Licensed Professional and Clinical Counselors, License #197.000185; Illinois Division of Professional Regulation for Marriage and Family Therapists, License #168.000190; Texas State Board of Social Worker Examiners, Approval #3011; Texas State Board of Examiners of Professional Counselors, Approval #1121; Texas State Board of Examiners of Marriage and Family Therapists, Approval #425.

Special Approvals

This activity is designed to comply with the requirements of California Assembly Bill 1195, Cultural and Linguistic Competency.

Course Objective

Particularly in women, sexual dysfunction is often under-recognized and untreated, and many patients are reluctant to discuss sexual concerns with healthcare and mental health providers. The purpose of this course is to provide healthcare professionals with the information necessary to identify and appropriately treat female sexual dysfunction.

Learning Objectives

Upon completion of this course, you should be able to:

  1. Define various female sexual disorders.
  2. Identify instruments used in the assessment and diagnosis of sexual problems in women.
  3. Outline the epidemiology of female sexual dysfunction.
  4. Discuss the etiology of and risk factors for various forms of female sexual dysfunction.
  5. Describe aspects of the diagnostic workup for female sexual dysfunction.
  6. Evaluate treatment options for a variety of female sexual disorders.

Faculty

Mark Rose, BS, MA, is a licensed psychologist and researcher in the field of alcoholism and drug addiction based in Minnesota. He has written or contributed to the authorship of numerous papers on addiction and other medical disorders and has written books on prescription opioids and alcoholism published by the Hazelden Foundation. He also serves as an Expert Advisor and Expert Witness to various law firms on matters related to substance abuse, is on the Board of Directors of the Minneapolis-based International Institute of Anti-Aging Medicine, and is a member of several professional organizations.

Faculty Disclosure

Contributing faculty, Mark Rose, BS, MA, has disclosed no relevant financial relationship with any product manufacturer or service provider mentioned.

Division Planners

John M. Leonard, MD

Jane C. Norman, RN, MSN, CNE, PhD

Alice Yick Flanagan, PhD, MSW

Division Planners Disclosure

The division planners have disclosed no relevant financial relationship with any product manufacturer or service provider mentioned.

About the Sponsor

The purpose of NetCE is to provide challenging curricula to assist healthcare professionals to raise their levels of expertise while fulfilling their continuing education requirements, thereby improving the quality of healthcare.

Our contributing faculty members have taken care to ensure that the information and recommendations are accurate and compatible with the standards generally accepted at the time of publication. The publisher disclaims any liability, loss or damage incurred as a consequence, directly or indirectly, of the use and application of any of the contents. Participants are cautioned about the potential risk of using limited knowledge when integrating new techniques into practice.

Disclosure Statement

It is the policy of NetCE not to accept commercial support. Furthermore, commercial interests are prohibited from distributing or providing access to this activity to learners.

Table of Contents

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#93030: Female Sexual Dysfunction

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INTRODUCTION

Sexual dysfunction is a highly prevalent condition. Among U.S. adults 18 to 59 years of age, an estimated 31% of men and 43% of women have sexual function concerns. Sexual problems are most prevalent in older men and young women [1,2,3]. Female sexual dysfunction broadly includes sexual pain and/or diminished or loss of sexual desire/interest, arousal, or orgasm, and diagnosis requires patient distress in addition to impairment [4].

Sexual dysfunction can adversely and profoundly impact patients' quality of life and self-image. Particularly in women, sexual dysfunction is often under-recognized and untreated, and many patients are reluctant to discuss sexual concerns with primary care providers [5,6].

In contrast to male sexual dysfunction, female sexual dysfunction has, until recently, received sparse study and characterization [7]. Before the 1990s, sexual dysfunction was assumed to arise from psychologic problems and was treated by psychologic intervention. The 1998 introduction and success of sildenafil (Viagra) helped shift research and clinical focus to a biomedical paradigm. However, current understanding of sexual dysfunction incorporates a broader, more complex framework. Sexual function is influenced by a complex interaction of physiologic, sociocultural, and psychologic factors. Their relative contribution to sexual dysfunction across patients varies broadly, and physiologic contribution to sexual dysfunction is decidedly more prominent in men. Nonetheless, all female patients presenting with sexual complaints should receive diagnosis and treatment based on assessment of five key biopsychosocial domains [4,8,9]:

  • Medical factors

  • Cultural or religious factors

  • Individual vulnerability factors

  • Relationship factors

  • Partner factors

Almost all patients require a biopsychosocial treatment approach. Even strictly physiologic sexual dysfunction can result in patient demoralization, loss of confidence, relationship problems, or sex avoidance, all of which are effectively addressed by psychologic treatment. Several medications studied for female sexual dysfunction show only modest benefit, but adding an educational or psychologic intervention can robustly increase efficacy and patient response. Combining medication and psychosocial intervention is more effective than either one alone in most female sexual dysfunction [10,11].

The concept of sexual health has also evolved from a narrow focus on the prevention of sexually transmitted infections and unplanned pregnancy, to one that encompasses broader elements of reproductive health and sexual function. Sexual health is now understood as the ability to have pleasurable and safe sexual experiences free from coercion, with sexual health and sexual relationships strongly inter-related to general health and fundamental to individual, family, and social life in all cultures throughout the adult lifespan [12]. Clinicians require familiarity with knowledge advances; comprehension of the diverse etiologies, risk factors, and management strategies in specific female sexual dysfunction; and skills development to initiate and address this important aspect of wellness and quality of life [6,13].

DIAGNOSTIC CRITERIA AND TOOLS

Female sexual dysfunction is an umbrella term encompassing a range of common disorders, including hypoactive sexual desire, reduced subjective and/or physical genital arousal (e.g., poor sensation or lubrication, vasocongestion), sexual pain, and inability to achieve orgasm and/or satisfaction. Female sexual dysfunction is multidimensional, and different female sexual dysfunction conditions often co-occur. Emotional and contextual factors significantly influence the physiologic components of sexual response and behavior, and as noted, many patients benefit from a tailored multimodal approach [14].

The concept of "normal" female sexual function is misleading because definition and objective measurement are absent. This leaves the description of "normal" to statistical and/or cultural norms, even though normal function may vary between women and within the same woman over her lifetime. The first model to describe healthy sexual response came from Masters and Johnson in 1966. They proposed a four-stage (excitement, plateau, orgasm, resolution) linear model based on laboratory measurements of physiologic change in men and women. Kaplan and Leif modified this model to incorporate desire in order to capture the psychologic, emotional, and cognitive components of sexual response. Their revised linear model described three phases: desire, excitement, and orgasm [8].

Building on observations that female sexual response often does not follow a linear trajectory, Basson introduced an intimacy-based circular model to help explain the multifactorial nature of female sexual response (Figure 1) [15,140]. Her model acknowledged the interconnection between emotional intimacy, sexual stimuli, psychologic factors, and relationship satisfaction that determines sexual response. Also introduced were the concepts of sexual neutrality and responsive desire, which states that instead of sexual motivation by spontaneous desire, women may experience sexual desire from arousal in the context of a loving relationship [8].

BASSON'S NONLINEAR MODEL OF FEMALE SEXUAL RESPONSE

The multifactorial model and additional research suggest that female sexual response is not uniformly linear, the distinction between desire and arousal phases is likely artificial, and desire and arousal are difficult to separate because normal desire can include a responsive component. These findings shaped the revision of female sexual dysfunction by the American Psychiatric Association in the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) [4,15]. Low sexual desire, termed hypoactive sexual desire disorder (HSDD) in the DSM-IV-TR, was merged with female sexual arousal disorder to form the diagnostic entity of female sexual interest/arousal disorder (FSIAD) in the DSM-5 [16,17].

To increase objectivity and precision and avoid overdiagnosis of transient sexual problems, diagnosis requires at least a six-month duration and more precise severity criteria. With loss of desire, the experience of personal distress replaces partner or relationship as the primary focality of stress [4,8]. The requirement for diagnosis of marked personal distress from female sexual dysfunction was made because many more women experience low sexual desire/arousal or orgasmic difficulties than are distressed by them. While orgasmic difficulties and low desire/arousal are less prevalent among premenopausal than postmenopausal women, premenopausal women are more like to be distressed by these issues [18].

With female orgasm, sexual desire at the outset of a wanted sexual experience is not necessary for orgasm to occur. Sexual or nonsexual erotic stimulation may result in orgasms, and despite sexual satisfaction, orgasms may not occur or may occur in multiples [19]. In light of the highly prevalent female experience of moderate-to-high levels of sexual satisfaction despite an absence of sexual desire between sexual encounters, the Endocrine Society now considers the incentives/motivations model of human sexual response to more accurately reflect sexual experience. This model states that desire for sex per se is just one of many reasons or incentives for sex [20,21].

DIAGNOSTIC CATEGORIES AND CRITERIA FOR FEMALE SEXUAL DYSFUNCTION

In order for a definitive diagnosis, all disorders of female sexual function require that symptoms persist for at least six months [17]. The disorder must not be better explained by a nonsexual mental disorder or a consequence of severe relationship distress or other significant stressors and must not be attributed to the effects of a substance, medication, or other medical condition.

FSIAD

According to the DSM-5, FSIAD is defined as lack of or significantly reduced sexual interest or arousal as manifested by at least three of the following [4]:

  • Absent/reduced interest in sexual activity

  • Absent/reduced sexual or erotic thoughts or fantasies

  • No or reduced initiation of sexual activity and unreceptive to partner's attempts to initiate

  • Absent/reduced sexual excitement or pleasure during sexual activity in all/almost all (75% to 100%) sexual encounters

  • Absent/reduced sexual interest or arousal in response to any internal or external sexual or erotic cues (written, verbal, or visual)

  • Absent/reduced genital or nongenital sensations during sexual activity in all/almost all (75% to 100%) sexual encounters

Furthermore, FSIAD may be described as primary, if the woman has never experienced sufficient arousal (even with sufficient desire and sexual stimulation), or secondary, if the woman has been sufficiently aroused in the past but currently experiences decreased arousal [4]. If the problem occurs in all sexual situations, it is generalized; if the problem occurs only in some sexual situations, it is considered situational.

Female Orgasmic Disorder

The DSM-5 criteria for the diagnosis of female orgasmic disorder requires that the woman experience markedly less intense orgasms or marked delay in, marked infrequency of, or absence of orgasm
in all or almost all (75% to 100%) sexual activity [4]. The severity of female orgasmic disorder is specified as mild, moderate, or severe on the basis of the level of distress the patient exhibits over the symptoms.

Genitopelvic Pain or Penetration Disorder

Genitopelvic pain or penetration disorder is characterized by persistent or recurrent difficulties with one or more of the following [4]:

  • Vaginal penetration during intercourse


  • Marked vulvovaginal or pelvic pain during intercourse or penetration attempts


  • Marked fear or anxiety about vulvovaginal or pelvic pain in anticipation of, during, or because of vaginal penetration


  • Marked tensing or tightening of pelvic floor muscles during attempted vaginal penetration

Vulvodynia

Vulvar pain generally falls into one of two categories: vulvodynia or vestibulodynia. Vulvodynia is pain with no visible abnormalities [18]. However, vulvar pain may also be secondary to underlying conditions. Vestibulodynia (also referred to as provoked vestibulodynia) is a subtype of vulvodynia whereby pain is provoked by any direct contact with the vulvar vestibule. The pain arising from provoked vestibulodynia is characterized as sharp and burning. Provoked vestibulodynia is classified as primary or secondary according to pain onset [18]. Primary provoked vestibulodynia is diagnosed when pain has been present since the first attempt to insert anything, including a tampon or a penis, into the vagina. When the pain gradually appears following a period of painless sexual activities (or examination/tampon insertion in sexually inactive women), this is considered secondary provoked vestibulodynia.

Vaginismus

Vaginismus is the involuntary contraction of pelvic musculature surrounding the outer third of the vagina. The incidence of vaginismus is unknown, and the ranges quoted in the literature vary widely. Vaginismus may be lifelong (primary), acquired (secondary), complete, partial, and/or situational [18].

Deep Dyspareunia

Deep dyspareunia is pain associated with deep penetration that may be primary (lifelong) or secondary [18]. The pain may be present every time penetration is attempted, sporadic, or cyclical in nature. In some patients, it is restricted to vigorous intercourse or to positions facilitating deeper penetration. Diagnosis is generally made based on patient history and physical examination [22]. 


Genitourinary Syndrome of Menopause

Genitourinary syndrome of menopause is the term now used in place of vaginal atrophy and vulvovaginal atrophy. Introduced in 2014 by the International Society for the Study of Women's Sexual Health and the North American Menopause Society, genitourinary syndrome of menopause is a medically more accurate, all-encompassing, and publicly acceptable term than its predecessor. It is defined as a constellation of symptoms and signs associated with age-related decreases in estrogen and other sex steroids, including changes to the labia majora/minora, clitoris, vestibule/introitus, vagina, urethra, and bladder. Symptoms of genitourinary syndrome of menopause must be bothersome and not be better explained by another diagnosis and include genital dryness, burning, and irritation; sexual symptoms of lack of lubrication, discomfort or pain, and impaired function; and urinary symptoms of urgency, dysuria, and recurrent urinary tract infections. Women may present with some or all of these signs and symptoms [23]. In a survey of 3,046 women with genitourinary syndrome of menopause, 85% of partnered women reported some loss of intimacy, 59% reported diminished enjoyment of sex, and 47% reported interference with their relationship [24]. In addition, 29% reported sleep disruption and 27% described a negative effect on their general quality of life. Only 7% stated their provider initiated a discussion about genitourinary syndrome of menopause.

MEASURING INSTRUMENTS AND RATING SCALES

The Female Sexual Function Index

The Female Sexual Function Index (FSFI) is the criterion standard instrument in assessing female sexual dysfunction and treatment response in clinical trials and can also be used in clinical practice. The FSFI consists of 19 questions with a severity scale, rated by the patient or subject. Sexual function is assessed across six domains: desire, arousal, lubrication, orgasm, satisfaction, and pain. The total FSFI score is the sum of all six domain scores. Higher scores indicate better sexual function, with a highest possible total score of 36. Scores of 26.55 or less are considered female sexual dysfunction in premenopausal and postmenopausal women [25,26].

The Decreased Sexual Desire Screener

The Decreased Sexual Desire Screener (DSDS) is a validated, five-question, self-administered screening instrument. It is used in clinical practice to help practitioners identify generalized acquired hypoactive sexual desire in premenopausal and postmenopausal women. This screener is a time-efficient, pragmatic adjunct to the patient history and physical examination in the diagnostic workup of hypoactive sexual desire [8].

The Female Sexual Distress Scale

The Female Sexual Distress Scale (FSDS) assesses sexual dysfunction and associated distress [27]. The revised FSDS consists of 13 items the patient is asked to score on a scale of 0 (never) to 4 (always). The items focus on patients' experiences of anger, embarrassment, shame, guilt, and unhappiness with sex and their sexual performance in order to assess the level of distress experienced as a result of sexual problems.

EPIDEMIOLOGY

The lifetime prevalence of any female sexual dysfunction is 40% [1,2]. In one study, roughly 40% to 45% of adult women had at least one manifest sexual dysfunction (somewhat often, often, nearly always, or always), although distress over the dysfunction was not measured [28]. At any time, around 10% of women experience low or absent sexual desire, making it the most common female sexual dysfunction, followed by orgasmic impairment [4].

FSIAD

The Prevalence of Female Sexual Problems Associated with Distress and Determinates of Treatment Seeking (PRESIDE) survey of 31,581 U.S. women 18 years of age and older found low desire and distress in 8.9% of women 18 to 44 years of age, 12.3% of those 45 to 64 years of age, and 7.4% in women older than 65 years of age, indicating a peak during middle age [1]. A cross-sectional study of 2,207 U.S. women 30 to 70 years of age found an overall 8.3% prevalence of HSDD [29]. A multi-national Global Study of Sexual Attitudes and Behaviors (GSSAB) study of women 40 to 80 years of age found decreased libido in 26% to 43% [3]. Other studies have shown similar trends [8].

FEMALE ORGASMIC DISORDER

The reported prevalence of female orgasmic problems ranges from 10% to 42% [4]. Although these rates vary by age, culture, symptom duration, and severity, the true prevalence is probably not captured because associated distress is usually not assessed. The PRESIDE study found a female orgasmic disorder prevalence of 21% [1]. The GSSAB study reported an inability to achieve orgasm in 18% to 41% of participants [3]. Studies of women with female orgasmic disorder tend to show a high prevalence of comorbid FSIAD, suggesting that clinicians often ignore the criterion of orgasm absence following normal sexual excitement.

GENITOPELVIC PAIN OR PENETRATION DISORDER

Provoked vestibulodynia is a highly prevalent cause of dyspareunia in younger women [18]. The estimated prevalence of vestibulodynia is 12% in the general population and 15% among gynecologic clinic patients [30,31]. A U.S. community survey of chronic (≥12 months) vulvar pain found a 9.9% prevalence, with 45% of those affected reporting adverse impact on their sexual functioning [32].

ETIOLOGY AND RISK FACTORS

FSIAD AND FEMALE ORGASMIC DISORDER

In general, female sexual dysfunction is the result of a combination of medical, sociocultural, individual vulnerability, and relationship/partner factors [4]. The multifactorial nature of FSIAD and female orgasmic disorder is underscored by the finding that a majority of premenopausal women identified non-physiologic factors, such as stress, fatigue, dissatisfaction with physical appearance, and other sexual difficulties, as contributory to decreased desire [33].

Medical Risk Factors

A variety of systemic and localized diseases or conditions may contribute to female sexual dysfunction through direct or indirect mechanisms (Table 1) [8,34]. Medical etiologic and risk factors include existing medical conditions and the effects of drugs or medications. Automatic sexual responses are largely governed by the autonomic nervous system, intact nerve mediation, vascular function, and hormonal factors. Disruptions with any of these functions can impair genital arousal. Many prescribed and recreational/street substances can induce female sexual dysfunction, and chronic tobacco or alcohol use may affect sexual function through vascular or neurologic damage [6].

DISEASES OR CONDITIONS THAT MAY CONTRIBUTE TO FEMALE SEXUAL DYSFUNCTION

CategoryConditions
CardiovascularHypertension, coronary artery disease
EndocrineDiabetes, thyroid disorders, hyperprolactinemia, adrenal disorders, hypopituitarism
GastroenterologicHepatic dysfunction, inflammatory bowel disease, irritable bowel syndrome
Autoimmune/arthriticSystemic lupus erythematosus, fibromyalgia, arthritis
InfectionSystemic infections, sexually transmitted infections (hepatitis B/C, syphilis)
MalignancyBreast cancer and treatment (negatively impacting body image and/or disrupting endocrine pathways), colon cancer
NeurologicEpilepsy, multiple sclerosis, stroke and trauma, degenerative diseases, Parkinson disease, dementias, hypothalamic disorders
VascularPeripheral vascular disease, coronary artery disease
Diseases or conditions involving the genitals or proximal organ systems
Dermatologic (vaginal region)Dermatitis, herpes simplex, psoriasis, lichen sclerosis, carcinoma
MusculoskeletalMechanical low back pain, spinal stenosis, hip fracture, pelvic floor muscle spasm
NeurologicNerve entrapment syndromes, chronic pain disorders
UrologicRecurrent bacterial cystitis, interstitial cystitis, bladder cancer, renal dysfunction
GynecologicVaginitis, vestibulodynia (e.g., vaginismus, vestibulitis), vulvodynia, pelvic floor dysfunction, endometriosis, premature ovarian failure, menopausal atrophy, ovarian masses, uterine fibroids, prolapse, gynecologic malignancies

Medical conditions affecting the autonomic nervous and vascular systems are known risk factors for diminished sexual arousal, including diabetes, multiple sclerosis, and spinal cord injuries. Other medical conditions (or their treatment) that can indirectly affect desire and arousal include urinary tract infections, recurrent vaginal infections, and pelvic or genital surgery or radiation therapy. Anti-estrogenic treatment for hormone-sensitive breast cancer is also a risk factor [6].

A thorough diagnostic/differential workup is essential to detect contributory or causal medical conditions. Some cases of female sexual dysfunction originate from etiologies that, if detected, can be treated and female sexual dysfunction resolved.

Hyperthyroidism

Hyperthyroidism, which is relatively common in women, can lead to sexual dysfunction. Compared to age-matched healthy female controls, women with hyperthyroidism show statistically and clinically lower scores in FSFI desire, arousal, lubrication, orgasm, satisfaction, and pain domains, and significantly higher scores on the Beck Depression Inventory (BDI) [35]. Female sexual dysfunction in hyperthyroidism is associated with higher depressive levels, increased sex hormone-binding globulin (SHBG), and decreased free testosterone levels [35].

Iron-Deficiency Anemia

In women of reproductive age, iron-deficiency anemia may cause anxiety, a major risk factor for female sexual dysfunction. The association of iron-deficiency anemia with female sexual dysfunction was evaluated in 207 women (mean age: 33.6 years) before and after iron-deficiency anemia treatment. Pre- and post-treatment comparisons found significant differences in hemoglobin, hematocrit, serum iron, and serum iron-binding capacity. Anxiety scores decreased and FSFI scores significantly increased after iron-deficiency anemia treatments. Excessive anxiety and female sexual dysfunction may be present in women of reproductive age with anemia, both reversible with effective iron-deficiency anemia treatment [36].

Drugs of Recreation/Abuse

The acute effects of alcohol or drugs can intensify or impair sexual desire, response, and orgasm in women, while heavy or chronic use of most substances induces sexual dysfunction.

Cannabis

In an older study, female cannabis users reported increased pleasure (76%) and improved orgasm quality (30%) with acute drug use. Cannabis was thought to increase disinhibition and erotic fantasies [37]. However, more recent studies have linked chronic cannabis use with impaired orgasms in women [38].

Alcohol

Alcohol acts acutely to disinhibit behavior and may increase sexual receptivity or initiation [18]. However, chronic alcohol use may lead to loss of desire, decreased arousal, and anorgasmia. Inhibition of hypothalamic-pituitary-adrenal (HPA) axis function decreases estradiol levels, which may interfere with vaginal lubrication [18].

Opioids

The rush of euphoria and the subsequent period of relaxation induced by heroin and other opioids may reduce interest in sex. The acute heroin effect has been termed "pharmacogenic orgasm" [39]. Women who frequently use opioids or develop opioid abuse/addiction show a high prevalence of decreased libido, interest, arousal, and orgasm [39].

Stimulants

Methamphetamine and cocaine acutely reduce sexual inhibition, enhance well-being and excitement, and increase the likelihood of high-risk sexual behavior [18]. Long-term use and withdrawal of methamphetamine has been linked to sexual dysfunction in men, but the impact on female sexual desire and performance is unclear [40]. Chronic cocaine use results in high prevalence of female sexual dysfunction and negative effects on sex life [41].

Nicotine

Cigarette smoking is an established sexual dysfunction risk factor in men and women, though the link is stronger in men [42]. In one study of healthy nonsmoking women (average age: 20 years), nicotine reduced physiologic genital arousal by an average of 30% in 60% of the participants without effecting self-rated sexual arousal or mood. The authors conclude that nicotine may be the primary cigarette constituent that disrupts genital hemodynamics and triggers a biochemical and vascular cascade, impairing normal female sexual arousal response [43].

Prescribed Drugs

Among the prescribed drugs with known potential to impair sexual functioning, antidepressants are perhaps the most widely prescribed [44]. Among antidepressants, selective serotonin reuptake inhibitors (SSRIs) and serotonergic/noradrenergic reuptake inhibitors (SNRIs) show the highest rates of sexual dysfunction, including impaired sexual motivation, desire, arousal, and orgasm affecting men and women.

In both men and women, antidepressant-induced sexual side effects largely result from increased serotonin (5-HT) neurotransmission via reuptake blockade of serotonin transporters. Antidepressants that primarily increase dopamine and norepinephrine neurotransmission produce markedly fewer sexual side effects. SSRI/SNRI-induced sexual side effects are likely mediated by inhibitory actions on dopamine signaling in sex brain circuits and can be decreased by simultaneously increasing norepinephrine and dopamine neurotransmission but not by increasing norepinephrine alone. A meta-analysis of sexual side effect rates with SSRIs and venlafaxine reported that orgasm and desire dysfunction are more common in men, while arousal dysfunction is more common in women [45].

Many other prescribed medications and classes are associated with female sexual dysfunction side effects. A partial list is shown in Table 2 [8].

MEDICATIONS ASSOCIATED WITH REDUCED FEMALE SEXUAL DESIRE, AROUSAL AND/OR ORGASM

Drug ClassSpecific Drug Category or Agent
Anticonvulsants
Carbamazepine
Phenytoin
Cardiovascular and antihypertensive agents
Angiotensin-converting enzyme inhibitors

Amiodarone
Beta-blockers (e.g., atenolol, metoprolol, propranolol)
Calcium channel blockers

Clonidine

Digoxin

Diuretics (e.g., hydrochlorothiazide)

Lipid-lowering agents
Hormonal medications
Anti-androgens (e.g., flutamide, spironolactone)
Gonadotropin-releasing hormone agonists
Oral combination contraceptives
Analgesics
Nonsteroidal anti-inflammatory drugs (NSAIDs)
Opioids
Others
Benzodiazepines
Anti-histamines

The assumption that statin use leads to reduced sex hormone biosynthesis in women, possibly resulting in menstrual irregularities, menopausal disorders, infertility, and low libido, is based on studies that failed to evaluate the effects of statins on gonadal-sexual function in women. A 2015 comparison of 2,890 statin users with 2,890 nonusers (average age: 58 years) found statin use lacked significant association with menstrual disorders, menopausal disorders, infertility, or ovarian/sexual dysfunction [46]. This study questions previous associations of statin use with female sexual dysfunction.

Aging

Aging can affect all aspects of female sexual function, and the greatest prevalence of low desire/arousal and distress occurs in women 45 to 64 years of age. Intensity of sexual desire may decline due to neuroendocrine changes, such as declining testosterone, changes in neurochemistry, and indirect changes from loss of estrogen. Genital sensation may change, with arousal and orgasm requiring stronger and longer stimulation. Low estrogen levels can lead to vulvovaginal atrophy and dyspareunia associated with decreased desire. These factors, and the unique psychosocial factors present during this life phase, influence sexual function during the menopausal transition [8,47,48].

Behavioral and Lifestyle Issues

Smoking, alcohol consumption, and obesity are associated with higher rates of sexual dysfunction, and stresses such as a difficult work environment, long work hours, and a lack of privacy in the home may negatively impact relationship well-being and sexual functioning. Patients may fail to connect life stressors with sexual dysfunction, so this area should be thoroughly assessed during the patient evaluation. Responses vary, however, as many women with busy and sometimes stressful lives maintain satisfying sexual relationships [18].

Sociocultural Risk Factors

Cultural or religious factors with potential negative impact on female sexual function include inhibitions or conflicted attitudes toward sexuality. Cultural, social, and religious values or mores can negatively influence female sexual function and sexual desire in particular, especially in women raised in highly restrictive cultures or religions. Beliefs such as "good" or "virtuous" women should not enjoy or initiate sex or that men always exploit women (or vice versa) may lead to negative feelings or thoughts during sexual activity. Negative attitudes from childhood may persist to affect women emotionally, even when no longer held as adults [18,49,50].

A study of risk factors for impaired ability to experience orgasm during sexual activity found that lower levels of education and sex education during childhood and/or adolescence were significantly associated with female orgasmic disorder. Anxiety and low sexual desire were found to predict orgasm problems, while masturbation and completion of high school increased the likelihood of reaching orgasm during sexual activity [51].

Individual Vulnerability and Emotional Factors

Individual vulnerability factors that increase the risk for sexual dysfunction in women include a history of sexual or emotional abuse, current psychiatric conditions (e.g., depression), and life stressors (e.g., job loss).

Sexual abuse is associated with lower physiologic sexual arousal responses and higher rates of FSIAD. The mechanism is unclear, but biologic factors, (e.g., HPA axis dysregulation) and psychologic factors (e.g., post-traumatic stress disorder [PTSD]) may be contributory. However, not all women with sexual abuse history develop sexual dysfunction, and women who have been sexually abused may develop sexual problems not necessarily related to the abuse but to medical issues such as chronic fatigue syndrome, irritable bowel syndrome, or fibromyalgia [52]. Chronic pelvic pain was found by one study to be strongest predictor of sexual abuse history in women seeking medical attention for pelvic floor disorders [53]. Other types of childhood abuse may affect sexual arousal in adulthood. Women with major depressive disorder or PTSD resulting from abuse should be treated for those disorders before, or along with, the disorder of sexual function [6].

In a comparison of women with and without past childhood sexual abuse, increased genital arousal was reported as pleasant and satisfying by 70% without childhood sexual abuse history and 29% with childhood sexual abuse history [54]. Women with a history of childhood sexual abuse were more likely to experience shame and anxiety with their sexual responses. High sexual functioning levels did not correlate with lack of sexually related distress in women with childhood sexual abuse history. Treatments aimed at improving sexual functioning may be less effective in these patients, as worsening of distress is likely. Patients' views of their own sexual functioning should be addressed before implementing treatment to improve sexual function. Cognitive and evaluative processes may be more important than sexual functioning in determining levels of sexual distress in women with childhood sexual abuse history, but this does not apply to every patient; previous research found childhood sexual abuse history in female college students was unrelated to negative sexual outcomes in function and satisfaction [54,55].

Psychologic factors significantly influence sexual desire and arousal and may override biologic factors. Depression is strongly associated with sexual difficulties and dissatisfaction. The effects of depression on mood, energy, interests, and self-esteem can greatly impair sexual interest and satisfaction, especially in younger patients. Other adverse effects on female sexual function can develop from depression, such as an inability to attain adequate vaginal lubrication or orgasm. Also reported with depression are distressing hypersexuality symptoms [56,57].

Studies have found higher levels of anxiety in women with sexual problems and, conversely, higher rates of sexual dysfunction in women with anxiety. Anxiety during sexual activity is a contributor to sexual dysfunction. This anxiety can originate from negative attitudes resulting from negative or traumatic past experiences, such as childhood sexual abuse or sexual victimization experienced as an adult [58,59]. Sexual anxiety may result from body image and self-esteem issues or from fear of failure to respond sexually or enjoy the sexual activity. Anxiety can cause sexual dysfunction through cognitive distraction or the intrusion of non-erotic thoughts or feelings (e.g., fear of not getting aroused or that her partner finds her unattractive). Focus on these non-erotic thoughts is described as "spectatoring," or monitoring and judging one's appearance and behavior during sexual activity. Spectatoring interferes with sexual response and is linked to poorer sexual functioning [60,61,62]. Negative body image includes concerns and negative assessment of one's sexual attractiveness, weight, and physical condition, and each significantly predicts poor sexual satisfaction after controlling for sexual functioning status. The adverse effect of negative body image on sexual satisfaction results from the higher frequency of appearance-based distracting thoughts during sexual activity [63].

Significant life stress can also lead women to experience low sexual desire or difficulty with arousal. Excessive anger, sadness, personality disorders, histrionic personality, and low/fragile self-regulation and self-esteem can all impair sexual response and negatively affect sexual function [6,64].

Relationship and Partner Factors

Problems with partner erectile dysfunction or premature ejaculation, communication problems, differing levels of desire for sexual activity, or partner violence can affect female sexual function and increase risk of female sexual dysfunction [6]. Non-sexual relationship aspects, such as frequent arguments, anger and resentment toward the partner, lack of trust, poor communication, and lack of quality couple time, can interfere with the feeling of closeness and intimacy important to quality lovemaking and ability to respond sexually [18,65,66]. External stressors, such as financial hardship, career-related pressures, and familial obligations, can contribute to decreased sexual desire [8].

Deficient or false information concerning normal sexual functioning can promote beliefs that are antagonistic to sexual function, interfering with sexual response. Some women with arousal problems are unaware of the location or role of their clitoris in sexual arousal and orgasm. Older women may be anxious and have diminished sexual response from believing myths related to "normal" sexual behavior with aging. Women with erroneous beliefs may place unrealistic expectations on self (e.g., "Normal woman always orgasm from vaginal penetration") or partners (e.g., "Not getting instantly erect means you are no longer attracted to me") [18].

Female sexual dysfunction may stem from an insufficiently stimulating sexual routine involving limited sensual (as opposed to genital) fondling and caressing, limited or ineffective genital caressing and stimulation, or a predictable and mundane sexual routine. Poor communication about sexual preferences and desires between partners is the usual cause, due to the woman lacking assertiveness, expecting her partner to know her needs without instruction, or unawareness of her sexual preferences [18,67,68].

GENITOPELVIC PAIN OR PENETRATION DISORDERS

Common etiologies of dyspareunia include genitourinary syndrome of menopause, dermatologic diseases, infections (e.g., genital herpes, candidiasis), and visible or non-visible lesions [18].

Genitourinary Syndrome of Menopause

Genitourinary syndrome of menopause affects up to 45% of postmenopausal women [69]. Independent of dyspareunia, female sexual dysfunction can develop in women with genitourinary syndrome of menopause from recurrent urinary tract infections (and resultant interruptions of daily functioning), reduced libido, and impaired mood and social interactions from nocturia-induced sleep loss. Urinary urgency and concerns over possible incontinence can render sex unpleasant due to fear of odor, embarrassment, shame, or loss of self-esteem. Women may develop anxiety or depression over symptoms they associate with aging and age-related bodily changes [70]. The loss of vulvovaginal tissue elasticity, vaginal wall thinning, and decreased vaginal lubrication with vaginal atrophy increase the risks of micro-tears, genital lesions, and sexually transmitted infections during intercourse [70].

Vestibulodynia

Female sexual dysfunction is a prevalent consequence of vestibulodynia. Of 161 women (average age: 36 years) presenting to a vulvovaginal specialty clinic with chronic vaginal complaints, 53% experienced female sexual dysfunction in the previous month, a prevalence double the population rate [71].

The etiology of provoked vestibulodynia is not fully understood but likely involves multiple factors, including congenital disorders, genetic and immunologic factors, hormonal factors (including oral contraceptive use), central neuropathic pain, nociceptor proliferation, and myofascial hypertonicity [72]. Most reject psychosexual dysfunction as the primary causation, although healthcare providers recognize the frequent association between psychologic and sexual distress with chronic sexual pain in women [18]. A large study of genital pain in sexually active college students found women with any sexual pain differed from those with no pain by higher rates of sexual dysfunction, but that women with high versus low sexual pain were distinguished primarily by vaginal lubrication [73].

Combined Hormonal Contraceptive-Induced Vestibulodynia

The use of combined estrogen/progestin contraception significantly increases the risk of vestibulodynia. Combined hormonal contraception inhibits luteinizing hormone, which decreases ovarian testosterone production. The synthetic estrogen and progestin components of combined hormonal contraception are metabolized in the liver, and this increases hepatic SHBG production. Decreased ovarian production of testosterone and increased SHBG diminish circulating bioavailable (free) testosterone levels [74,75]. Combined hormonal contraception also alters morphologic patterns and hormone receptors in vestibular mucosa and lower vulvar vestibule pain threshold [76]. Relative to earlier options, newer progestins in combined hormonal contraception produce significantly decreased free testosterone [77]. Earlier research failed to link combined hormonal contraception use with loss of libido and vestibular pain, but these studies did not examine contraception type or duration. Other studies of vulvar vestibule hormone receptor expression did not find differences between patients with vestibulodynia and pain-free volunteers, but failed to control for combined hormonal contraception use [77,78,79].

Vaginismus

Vaginismus may be precipitated by painful intercourse, painful pelvic examination, sexual assault, pelvic inflammatory disease, gynecologic surgery, urogenital atrophy, vulvar dermatologic conditions, or childbirth. Generalized anxiety levels are usually elevated in patients with vaginismus, suggesting that vaginismus and anxiety disorders share common predisposing factors [80]. Maintaining factors should be considered, and continuation of intercourse despite pain can promote anticipatory muscle spasm [18].

Deep Dyspareunia

Deep dyspareunia is often caused by endometriosis, interstitial cystitis, adnexal pathology, retroverted uterus, shortened vagina, pelvic floor hypertonicity, over-vigorous penetration, post-surgical vault or intraperitoneal scarring, uterine prolapse, excessive penile length, pelvic congestion syndrome, ovarian cysts, or constipation [18].

Relevant to patients with dyspareunia, especially in those with genitourinary syndrome of menopause, is the role of estrogen as dominant regulator of vaginal physiology. Estrogen-receptor density is highest in the vagina, with decreasing density across the external genitalia to the skin. The density of androgen receptors is the reverse, with low levels in the vagina and higher levels in the external genitalia [81]. Increasing evidence supports topical androgen safety for some women with genitourinary syndrome of menopause, and this differential receptor density may help explain topical androgen efficacy in women lacking topical estrogen response.

ASSESSMENT AND DIAGNOSTIC WORKUP

Perception of the clinician as uncomfortable, disinterested, or reluctant hinders patient communication about sexual concerns [8]. Conversely, acknowledging to patients that their sexual function concerns are valid makes them feel heard and is therapeutic even when the issue cannot be immediately resolved. When uncovering an issue, healthcare professionals and patients can jointly decide on management. Treatment is generally initiated by a physician or referred to a specialist, although an interested and prepared primary care provider can address many sexual dysfunction problems without referral [18].

The same general approach to assessment and diagnostic workup is used regardless of specific sexual complaint. A full assessment investigates biopsychosocial factors that may be involved in predisposing, precipitating, and/or maintaining the sexual dysfunction [82,83]. It is best performed by obtaining a medical, sexologic, psychologic, and relationship history; conducting a physical examination and appropriate laboratory testing; differential diagnosis; and evaluation of distress severity [6]. Treatment planning follows the comprehensive biopsychosocial diagnosis, and interventions are tailored to the patient [82,83].

In this multicultural landscape, interpreters are a valuable resource to help bridge the communication and cultural gap between clients/patients and practitioners. Discussions of sexuality can be sensitive, and removing possible language barriers using professional interpreters is recommended for patients for whom English is not their first language. Interpreters are more than passive agents who translate and transmit information back and forth from party to party. When they are enlisted and treated as part of the interdisciplinary clinical team, they serve as cultural brokers who ultimately enhance the clinical encounter.

PATIENT HISTORY

Medical History

A complete medical history can identify contributions to female sexual dysfunction from medical or psychiatric disorders, medications, and oral contraceptives. The following areas should be addressed [6,8]:

  • Menstrual irregularities indicating hormonal disorders such as hyperprolactinemia or hypothyroidism

  • Menstrual cycle, menopause, pregnancy, or breastfeeding

  • Somatic problems

  • Diseases known to cause lubrication problems (e.g., diabetes, recurrent vaginal infections)

  • Sexually transmitted infections

  • Urinary incontinence

  • Iatrogenic causes (e.g., pelvic surgery, radiation therapy, medications)

Sexual History

When appropriate and safe for the patient, a sexual history is helped with input from the woman's partner. The sexual history should be conducted in a culturally sensitive manner, with consideration of patient background, lifestyle, and status of the partner relationship, and should include direct questions about sexual behavior and safe sex practices [82].

A detailed history of arousal and orgasm problems and the conditions under which they occur is important. Inquire about the patient's ability to become mentally sexually excited, awareness of a genital response during sexual stimulation (such as tingling or lubrication), presence of vaginal dryness or dyspareunia, whether she receives adequate sexual stimulation, presence of sexual problems with pain or desire, and extent of distress by the problem [6].

If present, ask the patient about vulvar pain history, chronicity, characteristics, and aggravating and relieving factors [84,85]. Patients with chronic vulvar pain often experience intense feelings of frustration, guilt, anger, and helplessness, all of which significantly impact sex life. A history of multiple medical provider contacts and interventions are common in these cases.

With vaginismus, accurate diagnosis is usually made by patient history and physical exam findings. Pain with intercourse is the most common presenting symptom, described as burning, tearing, or the sensation of a cut in the vagina or of sandpaper rubbing the vagina. The pain can lead to inability to have penetrative intercourse; actual muscle contraction can prevent intromission [18,80,86].

Psychologic and Relationship History

Evaluate cognitive and affective factors that may influence female sexual dysfunction by inquiring regarding thoughts before, during, and after the sexual experience, which can include the patient feeling distracted, sexually substandard, or unsafe. Clarify her emotions by asking whether she feels sadness, guilt, or anger during sexual activity, and assess for depression, PTSD, and anxiety disorders [6].

Assess relationship factors by inquiry of partner sexual dysfunction and relational problems, such as lack of attraction or conflicts. Patients should also be assessed for a history of unwanted or coerced sexual experience and physical or emotional abuse during childhood or adolescence, including whether past experiences affect current self-image [6]. With lifelong or generalized orgasmic disorder, inquiry should explore negative attitudes toward sex and whether this originates from childhood sexual experiences or unresolved feelings associated with previous abuse or assault [18].

PHYSICAL EXAMINATION

A gynecologic exam is always recommended for patients with sexual complaints and should focus on changes or abnormalities in vulvar anatomy, signs of inflammation, skin color and quality, appearance of vaginal mucosa (estrogenized and moistened or atrophic), signs of myogenic or referred pain or associated urogenital and rectal pain, inspection of pelvic floor trophism, muscular tone and strength, scarring, determination of pH, and sampling and culture of discharge if infection is suspected [6].

Many women with sexual pain have normal findings, but the physical exam may uncover underlying contributors by presence of vulvovaginal atrophy (dyspareunia), genital sensory changes (vulvodynia or neuropathy), pelvic floor muscle contraction (vaginismus), and/or pelvic floor prolapse [8]. With presenting complaints of chronic vulvar pain, the physical examination may focus on whether pain symptoms are provoked by vaginal penetration [87].

Vaginismus is difficult to delineate from provoked vestibulodynia, and they often co-occur. Pelvic examination may be very difficult but, if tolerated, enables vaginismus diagnosis as follows [18,80,86]:

  • First degree: Perineal and levator spasm relieved with reassurance

  • Second degree: Perineal spasm maintained throughout pelvic examination

  • Third degree: Levator spasm and elevation of buttocks

  • Fourth degree: Levator and perineal spasm, elevation of buttocks, adduction, and retreat

LABORATORY EVALUATION

The laboratory workup should include:

  • Complete blood count (CBC)

  • Chemistry panel


  • Hormone panel


  • Vitamin B12 and folate levels

Use CBC, serum chemistry panel (electrolytes, blood urea nitrogen, creatinine, glucose, and liver function), and vitamin B12/folate findings to rule out systemic disorder (e.g., nutrient deficiency, renal, liver, or inflammatory disease) or peripheral neuropathy [88]. An informative hormone panel should include [20,88]:

  • Thyroid test (thyroid-stimulating hormone [TSH] and free T4) to rule out hyper- or hypothyroidism


  • Estradiol to rule out estrogen deficiency


  • Follicle-stimulating hormone and luteinizing hormone (cutoff correlate with sexual dysfunction)

  • Prolactin to rule out hyperprolactinemia


  • Testosterone (total and free), only with testosterone therapy monitoring

Consider lipid profiles in patients at risk for metabolic or cardiovascular disease and urinalysis for infection and glucosuria.

Most laboratory tests can be performed in the primary care setting. Specialized assessments requiring referral are seldom needed and include vaginal pH and local vascular function assessment using photoplethysmography and vagina thermal clearance [89].

DIFFERENTIAL DIAGNOSIS

The diagnosis of female sexual dysfunction requires that another disorder or the effects of a substance are not present to better account for symptom complaints. When this criterion is not met, secondary sexual disorder is diagnosed.

In addition to the biopsychosocial contributors to or causations of female sexual dysfunction discussed previously, additional factors to assess when provoked vestibulodynia is suspected may include vulvar dermatosis, vulvovaginal infections, atrophy, and pudendal nerve entrapment [18].

For patients with orgasmic dysfunction, differential diagnosis will include endocrine disorders (e.g., hypothyroidism, Cushing syndrome, Addison disease, hypopituitarism, hyperprolactinemia, low estrogen and androgen levels) and medical conditions affecting pelvic blood and nerve supply (e.g., hypertension, multiple sclerosis, Parkinson disease, diabetic neuropathy, spinal cord injury) [90,91,92,93].

When a patient presents with chronic vulvar pain, the physical exam determines the differential diagnosis [18]. If there are no visible lesions, differential diagnosis includes essential vestibulovulvodynia, vaginismus, interstitial cystitis, fibromyalgia, Sjögren syndrome, constipation, depression, anxiety, and adverse life events. For patients with visible lesions (consistent or intermittent), possible underlying causes of vulvar pain include herpes, Candida infection, atrophic vaginitis, dermatologic conditions, allergic/irritant dermatitis, Behçet disease and other genital ulcer diseases, vulvar intraepithelial neoplasia or carcinoma, obstetrical scarring, gynecologic surgery, and female genital cutting/mutilation.

EMERGENT CONCERNS REQUIRING REFERRAL

Abuse, serious psychiatric issues, or unresolved physical or sexual trauma identified during assessment or therapy requires prompt specialist referral, as these issues require stabilization or resolution before the sexual dysfunction can be treated. Women with lifelong symptoms, psychiatric comorbidities, or ongoing intrapersonal, interpersonal, or sociocultural issues that impact sexual function can be especially challenging to treat in the primary care setting, and specialist referral should be considered. Establishing a network of healthcare providers trained in sexual health and medicine is helpful [8].

TREATMENT

A general approach for managing female sexual dysfunction and associated conditions involves the use of a biopsychosocial approach that combines medical assessment and treatment; patient education, counseling, or therapy to address partner and relationship issues; and patient information on community resources [18,94]. Even with effective medical treatment, many women require counseling and support for optimal treatment response. A time-limited, problem-focused approach, termed the 20-Minute Hour, is sufficient to effectively assess and manage sexual concerns without disruption to the office schedule. In addition, the PLISSIT (permission, limited information, specific suggestions, intensive therapy) approach can assist in determining the appropriate level of intervention. When appropriate and safe, providers should involve the woman's partner during assessment and treatment of sexual dysfunction; outcomes are often improved by partner involvement.

PSYCHOSOCIAL APPROACHES

Sexual dysfunction treatment that includes a psychologic component is broadly endorsed. Pharmacotherapy cannot address important psychosocial factors of performance anxiety, poor self-confidence, partner sexual dysfunction, relationship conflict or poor communication, sexual factors in the relationship (e.g., sexual scripts, sexual satisfaction), and contextual factors (e.g., life stressors) [10]. Even when sexual dysfunction is primarily physiologic, virtually all patients experience negative psychologic and interpersonal effects. These include interpersonal conflict, depression, performance anxiety, and avoidance of sex. If unaddressed, these will interfere with the efficacy of medical therapies [123,124].

Clinicians often observe that patient change with positive medication response evokes change in the partner, such as women experiencing increased sexual desire when a partner is emotionally supportive. In these cases, psychosocial intervention is critical [11].

Psychotherapy should be initiated before medication in patients with severe depression, substance abuse disorders, or in abusive/chaotic relationships, as medication has little benefit in these contexts. Medical therapy alone is appropriate in couples in which the sexual dysfunction has a clear medical precipitant, couples in a high-quality relationship, or patients with few psychologic concerns [11].

Patient Counseling

Providers should identify and dispel myths about sex that can negatively influence sexual behavior and contribute to or maintain female sexual dysfunction; the value of basic sex education for this goal should not be overlooked. Many women lack knowledge of basic sexual and reproductive anatomy and physiology. Education should address the diverse range of "normal" sexual function and distorted sexual beliefs or misinformation propagated by popular media and society [8].

Lifestyle and behavior change should be emphasized to all patients with sexual dysfunction to help optimize sexual functioning. Simple suggestions can be highly beneficial. Remind patients that changing lifestyle to health-promoting behaviors through diet, exercise, smoking cessation, and stress reduction can improve physical well-being and self-esteem, which may improve physiologic and psychologic aspects of sexual desire and response [8].

Some women with desire/arousal concerns can be given suggestions on circumventing boredom and routine, such as planning romantic encounters or incorporating erotica, in order to foster an environment that optimizes sexual desire. Encourage patients to improve partner intimacy through shared activities, date nights, and effective communication [8].

Specific Psychologic Interventions

Sex therapy and CBT are the major psychologic treatment approaches supported in the empirical literature. Traditional sex therapy aims to improve an individual's or couple's erotic experiences while reducing anxiety and self-consciousness about sexual activity [8]. Cognitive-behavioral sex therapy includes emphasis on modifying thought patterns or beliefs that interfere with intimacy and sexual pleasure [125]. CBT may improve orgasmic ability and satisfaction by diminishing sex-associated anxiety and cognitive distortions in female orgasmic dysfunction [19].

For psychologic therapy of female sexual dysfunction, a meta-analysis found greatest improvement in symptom severity and sexual satisfaction in FSIAD and female orgasmic disorder and modest benefit in vaginismus. Strongest evidence was in sexual skills training and CBT for FSIAD; sexual skills training for female orgasmic disorder; and CBT for vaginismus. Group therapy improved symptom severity and sexual satisfaction, and individual or couples therapy improved symptom severity but not satisfaction [126]. Psychotherapy also benefits patients with acquired or situational low desire when treatment addresses initiating or maintaining circumstances or behaviors [127]. Traditional sex therapy and/or CBT can benefit arousal problems by increasing awareness of genital responses and subjective arousal [6].

For female orgasmic dysfunction, behavioral exercises involving directed masturbation are empirically valid and effective in women with lifelong, generalized anorgasmia and beneficial in acquired anorgasmia for women averse to touching their genitalia. Women too uncomfortable to share intimate details or techniques they need for satisfaction with their partner should be considered for sex therapy referral [19].

DRUG DEVELOPMENT

The advent of phosphodiesterase type 5 (PDE5) inhibitors prompted an increase in published pharmacotherapy trials in female sexual dysfunction. Of 20 random controlled trials of testosterone for FSIAD, 10% were published during 1988–1998, and 90% published after 1998, the year sildenafil was introduced [95].

Despite the heightened focus on finding a drug therapy for female sexual dysfunction analogous to the agents available for erectile dysfunction, only one medication, flibanserin, has received U.S. Food and Drug Administration (FDA) approval for the treatment of HSDD in premenopausal women [96]. This is not from gender inequality in sexual medicine, but from the need for balancing benefits and risks to provide effective and safe treatments to women of any age [14]. Flibanserin, a serotonin 5-HT1A agonist/5-HT2A antagonist, was developed for the treatment of FSIAD. Sprout Pharma re-submitted a drug approval application for flibanserin to the FDA for the third time in February 2015, with two previous FDA rejections over safety and efficacy concerns [97]. It finally gained approval in August 2015 [96].

In addition to flibanserin, several agents are used off-label and others are being developed or evaluated in clinical trials (e.g., bremelanotide).

GENITOURINARY SYNDROME OF MENOPAUSE

Symptomatic genitourinary syndrome of menopause commonly presents with symptoms of vaginal dryness, irritation of the vulva, burning, dysuria, dyspareunia, and vaginal discharge, potentially severe enough to interfere with the ability to have pain-free sexual activity. Dyspareunia is strongly associated with female sexual dysfunction in postmenopausal women, and decreased genital arousal and vulvar pain can occur as a consequence of genitourinary syndrome of menopause. Clitoral atrophy and phimosis of the prepuce may lead to dyspareunia, which decreases interest in sex or causes avoidance of sexual activity. Most cases of symptomatic genitourinary syndrome of menopause respond to treatment, and a stepped approach can be applied in mild-to-moderate cases beginning with conservative approaches and, if needed, progressing to estrogen, ospemifene, and testosterone or dehydroepiandrosterone (DHEA) [81].

Conservative Therapies

First-line therapy for mild-to-moderate genitourinary syndrome of menopause and dyspareunia involves nonhormonal vaginal lubricants used with intercourse/vaginal sexual activity, long-acting vaginal moisturizers, and regular sexual activity [81]. If improvement is not noted with these approaches, hormone or other pharmacotherapy may be initiated.

Estrogen Therapy

Estrogen replacement has long been used in the treatment of symptomatic genitourinary syndrome of menopause. Topical estrogen therapy applied to the vagina is now preferred over oral estrogen therapy when vaginal symptoms are the sole complaint, as it has better efficacy and safety, with minimal systemic absorption [81,98,99]. Potential vaginal estrogen therapy side effects of vaginal bleeding, breast pain, and nausea are dose-related. In women with an intact uterus, endometrial carcinoma risks from unopposed estrogen are unknown beyond one year; no safety data from use longer than 52 weeks has been published [81]. Topical or systemic estrogen may improve vaginal lubrication, dryness, and irritation. Systemic estrogen should be tailored due to safety concerns with long-term use, especially in pre- or perimenopausal women [6].

Patients Receiving Aromatase Inhibitors

Aromatase inhibitors (e.g., anastrozole, letrozole, exemestane) and fulvestrant reduce breast cancer recurrence through complete estrogen blockade. However, the resultant physiologic suppression of estradiol can negatively affect sexual functioning due to unpleasant urogenital and vaginal symptoms, and aromatase inhibitors frequently induce genitourinary syndrome of menopause and dyspareunia [100].

In patients taking aromatase inhibitors, vaginal estrogen therapy can allow resumption of sexual activity, and regular sexual activity or vaginal stimulation also prevents symptom recurrence. However, patients with sexual dysfunction and a history of breast cancer who lack response to conservative therapy should consult their oncologist before starting vaginal estrogen therapy. Treatment of patients with non-hormone-dependent cancers is similar to the treatment of patients without a cancer history. Vaginal estrogen therapy is inappropriate for postmenopausal women with undiagnosed vaginal/uterine bleeding [81,101,102].

Ospemifene

Ospemifene is an oral, non-estrogen, tissue-selective estrogen agonist/antagonist approved by the FDA in 2013 for moderate-to-severe dyspareunia associated with genitourinary syndrome of menopause. Daily use at 60 mg is effective and safe, with few side effects [25,103,104]. Vasomotor symptoms (including hot flashes) were the most common adverse event in clinical trials. Data in women with or at risk for breast cancer are lacking, and product information states ospemifene should not be prescribed for these patients [81].

Testosterone

In women, testosterone is a primary precursor for estradiol production and directly acts on androgen receptors. Total and free (bioavailable) testosterone progressively declines during reproductive aging. Declining testosterone, changes in neurochemistry, and indirect changes from loss of estrogen contribute to decreasing levels of desire and increasing difficulties in experiencing arousal from genital stimulation and orgasm that often occur during the period from premenopause to postmenopause [20].

The FDA has not approved testosterone in women due to safety and efficacy concerns, but it is widely prescribed off-label in the United States for postmenopausal women. A 2014 review of studies in menopausal women found consistent positive effect on sexual response, pleasure from masturbation, sexual desire, frequency of sexual activity, sexual satisfaction, and orgasm [95]. Testosterone benefited libido regardless of route of administration, but only transdermal 300 mcg showed efficacy in sexual response. Significant adverse events were not observed; cardiovascular system effects were inconclusive. One of five studies analyzing breast cancer risk from testosterone found significant risk (2.5-fold), but these women received combined estrogen-testosterone [105]. The authors concluded a significant positive effect of testosterone on libido in women with FSIAD, but the maximum 24-week study lengths prohibited conclusions on long-term safety and efficacy [95]. Very little data are available on premenopausal women receiving testosterone for female sexual dysfunction [8].

Four-year safety data of testosterone therapy in postmenopausal women is now available from two studies. Comparison of 2,103 women (mean age: 47 years) prescribed testosterone (72.2% implants, 18.4% tablets, and 7.9% injections) and 6,309 matched controls found, at 4.4-year follow-up, no significant differences between testosterone therapy and controls in rates of breast cancer, acute hepatitis, cardiovascular disease, ischemic heart disease, diabetes mellitus, cerebrovascular disease, or deep venous thrombosis/pulmonary embolism. Mild androgenic events occurred in some women on testosterone [106].

Another study followed 1,094 surgically menopausal women for adverse events during transdermal testosterone patch (300 mcg/day) treatment of HSDD for up to four years. All patients received concurrent estrogen. During follow-up, no increases over time were seen in rates of new onset or severe adverse events, serious adverse events, or study withdrawal from adverse events. The most common adverse events were application site reactions and unwanted hair growth; most were mild and rarely led to study withdrawal. No clinically meaningful changes were observed in serum chemistry, hematology, lipid profile, carbohydrate metabolism, renal and liver function, or coagulation parameters. No important safety or tolerability concerns with transdermal testosterone patch emerged during long-term use up to four years in otherwise healthy oophorectomised women with HSDD receiving concomitant estrogen [107]. This trial used lower-dose testosterone than used in the previous study.

Oral testosterone should not be used because of potential adverse effects on lipids and liver function. Transdermal testosterone therapy delivers testosterone systemically but avoids first-pass liver effects and alterations in lipid metabolism. The most common formulation is a transdermal 1% testosterone cream applied daily to skin on the arms, legs, or abdomen [108,109].

Vaginal Testosterone Therapy

Vaginal testosterone therapy is a testosterone formulation for local application intended to relieve symptoms in a manner comparable to vaginal estrogen. Vaginal testosterone therapy was evaluated in several short trials for efficacy in alleviating unpleasant aromatase inhibitor therapy-induced symptoms. A trial of 13 postmenopausal women with breast cancer experiencing aromatase inhibitor-induced female sexual dysfunction found daily vaginal testosterone therapy 300 mcg cream for four weeks significant improved measures of desire, arousal, lubrication, orgasm, satisfaction, pain, and sexual health quality of life [110]. In 10 women with breast cancer using aromatase inhibitor therapy, vaginal testosterone therapy (300 mcg/day) for four weeks restored vaginal cytology and alleviated dyspareunia. Serum testosterone levels remained within normal range [111].

Twice-weekly vaginal testosterone therapy (0.5 mg 2%) plus conjugated equine estrogen (0.625 mg) was compared with vaginal estrogen therapy for four weeks in 20 patients with genitourinary syndrome of menopause. Vaginal testosterone therapy led to greater improvements in sexual function, and serum testosterone levels did not rise above values within normal premenopausal range [112].

Dehydroepiandrosterone

DHEA is best defined as a prohormone that does not activate androgen receptors until becoming converted to active androgens. DHEA is available in Canada by prescription and in the United States without a prescription as a dietary supplement [81].

Oral DHEA

Comparison of daily oral hormone therapies DHEA (10 mg), estradiol plus dihydrogesterone (1 mg/5 mg), and tibolone (2.5 mg) for 12 months was performed to assess effects on sexual function and relationship quality in 48 postmenopausal women (mean age: 54.5 years) with climacteric symptoms [113]. The DHEA and estradiol/dihydrogesterone groups significantly improved in sexual function relative to baseline; the improvements with DHEA were more robust. However, relationship quality was unchanged. Frequency of sexual intercourse significantly increased with DHEA, estradiol/dihydrogesterone, and tibolone relative to baseline [113].

Response to higher-dose oral DHEA 100 mg/day was studied in 27 postmenopausal women with HSDD. After six weeks, serum DHEA and bioavailable testosterone levels significantly increased in all subjects on the active drug. Significant associations were found between bioavailable testosterone and sexual cognitions, arousal, and orgasm, and between serum DHEA and satisfaction. DHEA significantly improved arousal in women with HSDD, likely mediated by DHEA metabolism to testosterone [114].

Intravaginal DHEA

Evaluation of 12 weeks of topical intravaginal DHEA 1% in 216 women with moderate-to-severe genitourinary syndrome of menopause found improvement with intravaginal DHEA exceeded placebo by 23% and 49% on two measures of desire, 68% on arousal/sensation, 39% on arousal/lubrication, 75% on orgasm, and 57% on dryness during intercourse [115]. All patients on intravaginal DHEA maintained normal postmenopausal serum steroid levels. It appears that intravaginal DHEA exerts local androgenic/estrogenic stimulation in the epithelium, lamina propria, and muscularis vaginal cell layers to improve all four aspects (desire/interest, arousal, orgasm, sexual pain) of female sexual dysfunction [115].

To follow these findings, the efficacy of intravaginal DHEA (0 mg, 3.25 mg, 6.5 mg, or 13 mg daily) was evaluated in postmenopausal women experiencing female sexual dysfunction with or without moderate/severe dyspareunia. Compared with patients receiving placebo, Abbreviated Sexual Function (ASF) arousal/sensation, arousal/lubrication, and summary scores improved by 64.2%, 118%, and 31.1%, respectively, in patients with moderate/severe dyspareunia using intravaginal DHEA and by 58.0%, 67.6%, and 32.1%, respectively, in patients without moderate/severe dyspareunia taking intravaginal DHEA. Compared with patients receiving placebo, those receiving intravaginal DHEA improved from 18.0% to 38.2% on measures of desire, intimacy avoidance, vaginal dryness, and quality of life. Absence of sexual pain did not impede intravaginal DHEA efficacy in female sexual dysfunction [116]. Given the nominal benefit of estrogen in female sexual dysfunction, these results suggest that vulvovaginal atrophy and vulvovaginal sexual dysfunction are distinct manifestations of menopausal sex steroid deficiency with independent treatment response [116].

Microablative CO2 Laser Therapy

A 2015 trial studied the effects of fractional microablative CO2 laser therapy on sexual function and overall sex life satisfaction in 77 postmenopausal women with genitourinary syndrome of menopause. Compared with baseline, evaluation after 12 weeks found significant improvement in total FSFI score and in all FSFI domains as well as significantly improved overall sex life satisfaction. Of 20 women sexually inactive at baseline because of genitourinary syndrome of menopause severity, 17 (85%) regained normal sexual life. Significant improvement was also noted in each genitourinary syndrome of menopause symptom and in quality-of-life scores, with both reflecting scores in physical and emotional domains [117].

OTHER GENITOPELVIC PAIN OR PENETRATION DISORDERS

Chronic Vulvar Pain

For patients with chronic vulvar pain, a multimodal approach is suggested for symptomatic
treatment [6,18]. Possible local measures include non-irritating soothing or barrier creams, topical anti-histamines, or anesthetic creams. Down-regulation/denervation/desensitization of sensory nerves may also be useful. This may be accomplished with one or a combination of the following [6,18]:

  • Pharmacotherapy with imipramine or local or systemic gabapentin

  • Trigger point injection

  • Pudendal nerve excision/ablation or injections 


  • Perineal massage

  • Digital or electric vibration 


  • Use of the Eros-Clitoral Therapy Device (EROS-CTD), a small, battery-powered device used to increase blood flow to the clitoris

Psychologic and somatic therapy should also be included in the treatment plan for chronic vulvar pain. Cognitive-behavioral therapy (CBT) and/or systematic desensitization has been found effective for some patients, as has physiotherapy and graduated vaginal dilators. Non-intercourse sexual intimacy and masturbation should be encouraged.

Provoked Vestibulodynia

Management of provoked vestibulodynia includes lidocaine or xylocaine 2% gel or 5% ointment applied to the vestibule 15 to 30 minutes before sexual activity to reduce intercourse-provoked pain. In one trial, lidocaine 5% ointment applied on the vestibule at bedtime for seven weeks resulted in ≥50% pain reduction [118]. Corticosteroid creams are frequently prescribed but are rarely effective [18].

Biofeedback can be very useful in controlling dyspareunia. Exercises of pelvic floor muscles using sequences of contraction and relaxation are helpful in treating vaginismus, which is often associated with provoked vestibulodynia [18].

Surgery is rarely suggested as a first-line approach because of its invasiveness. However, in severe cases, vestibulectomy represents one of the most efficacious treatments, with success rates of roughly 80% [119,120].

Vestibulodynia Secondary to Combined Hormonal Contraceptives

In a 2013 study, women (average age: 26 years) with combined hormonal contraception-emergent vestibulodynia received combination therapy with topical estradiol 0.03% and testosterone 0.01%, applied to the vestibule twice daily for 20 weeks. Comparison to pre-therapy values found vestibular pain scores decreased from 7.5 to 2 on a 0–10 scale, SHBG levels decreased from 154 nmol/L to 64 nmol/L, and free testosterone levels increased from 0.193 ng/dL to 0.813 ng/dL. These results support a contraception-induced, hormonally mediated cause of vestibulodynia, with vestibular pain improvement accompanied by cessation of combined hormonal contraception and normalization of free testosterone and SHBG values [77].

Vaginismus

Exercises for systematic desensitization to vaginal penetration are the mainstay of vaginismus treatment, with the goal of control over and relaxation of levator ani muscles. Therapy starts with reverse Kegel exercises, progresses to gentle stretching of the vagina using lubricated vaginal dilators of graduated sizes to help restore and maintain vaginal function, followed by introduction a partner's fingers, with intercourse the final step [18].

Many women with vaginismus benefit from pelvic floor physical therapy, which was compared to levator-directed trigger-point injections in one study. Both were found equally effective in pain reduction, with physical therapy showing greater improvement in FSFI sexual pain domain scores [121].

Short-term CBT can be effective for addressing emotional issues that interfere with sexual response or create vaginismus due to inhibition, fear, or trauma. Couples therapy, electromyography, benzodiazepines, neuromodulators, antidepressants (e.g., amitriptyline), hypnotherapy, botulinum toxin A injections, traditional Chinese medicine, and acupuncture may help some patients but have not been evaluated in robust randomized controlled trials [18].

Deep Dyspareunia

Treatment of deep dyspareunia is aimed at the causative factors [18]. When partner roughness or poor sexual technique is a factor, emphatically stress that no one should be required to tolerate sexual pain and help clarify the relationship goals of the patient [18].

Primary Dysmenorrhea

In primary dysmenorrhea, oral nitric oxide donor drugs such as sildenafil can augment the relaxant effects of nitric oxide on myometrial cells, reverse prostaglandin-induced vasoconstriction, and successfully alleviate pain. However, side effect incidence prohibits routine clinical use. Sildenafil inhibits PDE5, preventing degradation of cyclic guanosine monophosphate in muscle, augmenting nitric oxide vasodilatory effects, and allowing tissue relaxation and blood circulation. In randomized controlled trial, vaginal preparations of sildenafil showed enhanced endometrial blood flow with no observed side effects [122].

A single-dose vaginal preparation of sildenafil citrate 100 mg was tested in 25 patients (18 to 35 years of age) with moderate-to-severe primary dysmenorrhea during painful menstruation. Assessment before and throughout the initial four hours post-treatment found significantly greater pain reduction with sildenafil (versus placebo) at every post-treatment point and no observed adverse effects. These results require confirmation in larger studies, but in patients with primary dysmenorrhea and acute menstrual pain, vaginal sildenafil may be a safe, effective option for pain relief when standard therapies lack benefit or tolerability [122].

FSIAD AND FEMALE ORGASMIC DISORDER

The complex etiology of desire, arousal, and/or orgasmic dysfunction seen with FSIAD and female orgasmic disorder often dictates a biopsychosocial treatment approach.

Flibanserin

As noted, in 2015 flibanserin became the first medication approved for the treatment of female sexual dysfunction (specifically HSDD) and the first medication approved to treat sexual desire disorders in either sex [96]. This medication is a mixed 5-HT1A agonist/5-HT2A antagonist—the first in its class. Its mechanism of action is presumed to be primarily the result of postsynaptic action on 5-HT1A receptors, but the actual action is not clear [128].

In three Phase 3 trials, flibanserin demonstrated improvements over placebo on measurements of satisfying sexual events, FSFI desire domain scores, daily desire, and distress [129]. Possible adverse effects include syncope and hypotension, the risks for which increase with daytime use, concurrent alcohol use, and concomitant use of moderate or strong cytochrome P-450 3A4 inhibitors (e.g., erythromycin, fluconazole, nefazodone, protease inhibitors, grapefruit juice). As such, use of flibanserin is contraindicated in patients taking these agents [130]. Use is also contraindicated in patients with hepatic impairment.

Flibanserin is only approved for premenopausal women whose HSDD is not the result of coexisting medical or psychiatric condition, problems within the relationship, or the effects of a medication or other drug substance. The recommended dosage is 100 mg once daily at bedtime [130]. If no improvements are apparent after eight weeks, the medication should be discontinued.

Bupropion

Bupropion is a norepinephrine and mild dopamine reuptake inhibitor and nicotinic acetylcholine receptor antagonist typically used as an antidepressant and smoking cessation aid. A trial in non-depressed women with sexual dysfunction found a 29% response rate, while a larger randomized, double-blind, placebo-controlled study of bupropion 150 mg/day in 232 non-depressed premenopausal women showed significantly increased desire and decreased distress in the treated group [131,132]. Bupropion is also effective in reversing SSRI-induced sexual dysfunction in premenopausal women.

Alprostadil

A study enrolled 400 patients (22 to 62 years of age) with female sexual arousal disorder in blinded trials to evaluate topical alprostadil cream (0, 500, 700, or 900 mcg) efficacy applied to the clitoris and vaginal G-spot before intercourse. Comparisons of alprostadil 900 mcg and placebo showed arousal success rates of 53.9% versus 33.1%, and mean FSFI total score improvement of 22.9% versus 14.7% [133]. Improvements with alprostadil 900 mcg beyond placebo were statistically significant but clinically modest.

Sublingual Apomorphine

Apomorphine activates brain dopamine D2 receptors, known to mediate sexual function. A two-week trial in 62 premenopausal women found improved orgasm and measures of sexual satisfaction during treatment, with better results obtained using daily 3 mg than with 2-mg dosing [134].

Subsequently, subjective and objective changes in female sexual response were studied in 24 patients (average age: 32 years) with female orgasmic disorder [135]. Duplex ultrasound evaluated objective sexual response to vibrator stimulation before and after administration of 3 mg sublingual apomorphine or placebo. Clitoral hemodynamic changes, particularly peak systolic velocity, were significantly higher with apomorphine. Mean increases in post-stimulus peak systolic velocity were 72.50% with placebo versus 139.14% with apomorphine. Subjective rating of changes in arousal and lubrication significantly improved with apomorphine relative to placebo. Apomorphine seemed to produce greater subjective and objective changes than placebo in sexual arousal among women with orgasmic sexual dysfunction. Future research is needed to evaluate the place of this drug in the treatment of female sexual dysfunction [135].

Gepirone

Efficacy of the extended-release 5-HT(1A) agonist gepirone in HSDD was evaluated in 875 women (18 to 64 years of age, 80% premenopausal) with major depression [136]. The participants received gepirone-ER (20–80 mg/day), fluoxetine (20–40 mg/day), paroxetine (10–40 mg/day), or placebo. After eight weeks, HSDD was reversed in 63% of women receiving gepirone-ER, compared with roughly 40% of those receiving paroxetine, fluoxetine, or placebo. The onset of gepirone-ER benefit was two weeks. A mildly depressed subgroup also improved at week 2 and week 8, and sexual dysfunction adverse events were significantly less in patients treated with gepirone-ER than with placebo. Gepirone-ER may have efficacy in HSDD among depressed and possibly nondepressed women, perhaps independent of a purely antidepressant effect [136].

Testosterone Therapy

To incorporate recent data, a guideline for testosterone therapy in FSIAD was jointly updated in 2014 by the Endocrine Society and other professional organizations [20]. The guideline recommends initiating a three- to six-month trial in postmenopausal women requesting testosterone therapy for verified FSIAD (when not contraindicated). Mid-normal premenopausal testosterone values should be used as the reference standard to avoid testosterone over-administration. Testosterone levels should be measured at baseline, monitored at three- to six-week and six-month follow-up, and then every six months for signs of excessive use and androgen excess. Therapy should be halted in patients lacking response by six months.

If possible, formulations for men and from compounding pharmacies should be avoided because efficacy and safety data are lacking. If available, use non-oral preparations approved for women (e.g., transdermal patch, gel, cream) [20].

Sublingual Testosterone Plus Sildenafil

Low sexual desire in women may result from relative brain insensitivity to sexual cues, and administration of sublingual testosterone 0.5 mg can increase sensitivity to these cues. Because sexual stimulation in the brain is necessary for PDE5 inhibitor-mediated increases in genital sexual response, a single dose of testosterone plus sildenafil may enhance sexual responsiveness in women with low sensitivity for sexual cues [137]. On-demand testosterone/sildenafil 100 mg was evaluated in 56 women with FSIAD. Compared with placebo, testosterone/sildenafil significantly improved physiologic and subjective measures of sexual functioning during ambulatory psychophysiologic laboratory conditions at home and during sexual events [137].

Herbal, Complementary, and Nutritional Supplement Therapy

Plant-derived and herbal remedies are a popular alternative to medical treatments for patients with sexual dysfunction. While some preparations seem effective, no safety data are available with long-term use.

Lady Prelox

Lady Prelox is a supplement tablet containing 20 mg pine bark (Pinus pinaster) extract, 200 mg L-arginine, 200 mg L-citrulline, and 50 mg rose hip extract. An eight-week open-label trial of healthy women (37 to 45 years of age) with moderate sexual dysfunction found significantly higher sexual function scores and significantly decreased oxidative stress as measured by plasma free radicals [138]. The relevance of these findings is unclear, as the study lacked placebo control, randomized assignment, and double-blinding.

Ginkgo Biloba Extract

Ginkgo biloba extract efficacy in female sexual dysfunction was evaluated in a study with highly rigorous design, which found gingko biloba extract offered no benefit beyond placebo [139].

RESOURCES

The following organizations have online tools, information and education, and lists of healthcare providers who specialize in female sexual health issues.

International Society for the Study of Women's Sexual Health
http://www.isswsh.org
American Association of Sexuality Educators, Counselors, and Therapists
http://www.aasect.org
Society for Sex Therapy and Research
http://www.sstarnet.org
Sexuality Information and Education Council of the United States
http://www.siecus.org
Decreased Sexual Desire Screener
http://www.obgynalliance.com/files/fsd/DSDS_Pocketcard.pdf

CONCLUSION

Sexual dysfunction is distressing for female patients and their partners and can have a profoundly negative impact on patient quality of life and self-image. However, providers often find discussion of patient's sexual concerns difficult, due in part to a lack of knowledge, skills, and confidence in their ability to initiate discussion and assess and treat sexual dysfunction. To compound this, there are few approved options for the treatment of female sexual dysfunction. This course has outlined appropriate approaches to the assessment, diagnosis, and treatment of female sexual dysfunction in order to enhance patient-provider communication and improve patient outcomes and well-being.

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Evidence-Based Practice Recommendations Citations

1. American College of Obstetricians and Gynecologists. Female Sexual Dysfunction. Washington, DC: American College of Obstetricians and Gynecologists; 2011. Summary retrieved from National Guideline Clearinghouse at https://guideline.gov/summaries/summary/32672. Last accessed November 8, 2016.

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