Vulvodynia

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Vulvodynia - Ouch Origins

  • Chronic vulvar pain (≥ 3 months) without identifiable cause; diagnosis of exclusion.
  • Prevalence: Affects up to 16% of women.
  • Classification (ISSVD 2015):
    • Localized: e.g., Vestibulodynia (most common), clitorodynia.
    • Generalized: Diffuse vulvar pain.
    • Provoked: Triggered by touch/pressure (e.g., intercourse, tampon insertion).
    • Spontaneous: Occurs without a clear trigger.
    • Mixed: Both provoked and spontaneous elements.

Painful areas in vulvodynia and dyspareunia

⭐ Vestibulodynia, particularly provoked, is the most frequently reported subtype of vulvodynia, often presenting as insertional dyspareunia.

📌 Vulvar Pain Syndrome: Vestibulodynia Predominates Significantly

Vulvodynia - Mystery Malady

  • Chronic vulvar pain (burning, stinging, rawness) >3 months, without an identifiable cause.
  • Types:
    • Generalized: Spontaneous, diffuse.
    • Localized: Provoked, unprovoked, or mixed.
      • Vestibulodynia: Pain localized to vestibule.

        ⭐ Provoked vestibulodynia (PVD), pain on touch at the vestibule, is the most common subtype of vulvodynia.

  • Etiology: Multifactorial - neuropathic, inflammatory, hormonal, musculoskeletal, genetic.
  • Diagnosis: Exclusion; Q-tip test for localized tenderness.
  • Management: Multimodal - topical (lidocaine), oral (TCAs), pelvic floor PT. Chronic Pelvic Pain Syndrome: Subgroups, Symptoms, Diagnosis

Vulvodynia - Pain Portrait

  • Chronic vulvar discomfort, often described as burning, stinging, irritation, or rawness.
  • Pain can be generalized or localized (e.g., vestibulodynia, clitorodynia).
  • Provoked (e.g., by touch, intercourse - dyspareunia) or unprovoked, or mixed.
  • Symptoms must persist for at least 3 months.
  • No visible dermatological or neurological disorder.

Vulvar Anatomy and Pain Areas in Vulvodynia

⭐ Vestibulodynia (provoked, localized) is the most common subtype, with pain typically at the posterior fourchette during vaginal entry or pressure.

Vulvodynia - Detective Work

  • History Taking:
    • Pain: Onset, duration, quality (burning, raw), triggers (touch, intercourse).
    • Location: Localized (e.g., vestibulodynia) vs. generalized.
    • Impact: Sexual function, quality of life.
  • Clinical Examination:
    • Visual inspection: Erythema, fissures, atrophy. Exclude visible lesions.
    • Q-tip Test: Gentle pressure to map tender areas (vestibule, clitoris, perineum). Record pain score (0-10).

      ⭐ The cotton swab (Q-tip) test is crucial for localizing pain and differentiating generalized vs. localized, provoked vs. unprovoked vulvodynia.

  • Investigations:
    • Rule out infections: Vaginal swabs (wet mount, pH, cultures for Candida, BV).
    • Biopsy: If lesions, diagnostic uncertainty, or to exclude dermatoses (lichen sclerosus/planus).
    • Consider: Neurological assessment if indicated.

Vulvodynia pain mapping diagram

Vulvodynia - Relief Roadmap

  • Initial Steps (Conservative):
    • Vulvar care: gentle cleansing, loose cotton clothing, avoid irritants (soaps, douches).
    • Topical relief: Lidocaine 5% ointment for temporary anesthesia; topical estrogens for atrophy.
  • Pharmacotherapy (Neuropathic Pain Focus):
    • Oral agents: TCAs (e.g., Amitriptyline 10-25mg nightly, titrate up), SNRIs (Duloxetine), Anticonvulsants (Gabapentin, Pregabalin).
  • Multimodal Approach:
    • Pelvic floor physical therapy: biofeedback, myofascial release.
    • Psychological support: Cognitive Behavioral Therapy (CBT), counseling.
    • Nerve blocks (e.g., pudendal).
  • Surgical Intervention (Last Resort):
    • Vestibulectomy for localized, provoked vestibulodynia.

⭐ A multimodal approach combining pharmacotherapy, physical therapy, and psychological support is often most effective for managing vulvodynia.

High‑Yield Points - ⚡ Biggest Takeaways

  • Vulvodynia: Chronic vulvar pain (≥3 months) without identifiable cause; diagnosis of exclusion.
  • Commonest: Localized provoked vulvodynia (LPV), pain on touch, often at vestibule.
  • Q-tip test (cotton swab) is crucial for diagnosis, localizing pain.
  • Exclude: Infections (Candida, HSV), dermatoses (lichen sclerosus/planus), neurological disorders.
  • Treatment: Multimodal - topical lidocaine, pelvic floor PT, TCAs (amitriptyline), gabapentin.
  • Vestibulectomy: Surgery for refractory LPV.
  • Address associated psychosocial distress and sexual dysfunction.

Practice Questions: Vulvodynia

Test your understanding with these related questions

In a patient with a history of burning pain localized to the plantar aspect of the foot, the differential diagnosis must include -

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Flashcards: Vulvodynia

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Chronic pelvic pain (CPP) refers to acyclical pelvic pain of more than _____ months duration.

TAP TO REVEAL ANSWER

Chronic pelvic pain (CPP) refers to acyclical pelvic pain of more than _____ months duration.

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