Ulcus Vulvae (Vulvar Ulcer) – A Complete Patient Guide
Overview
Ulcus vulvae (also called a vulvar ulcer) is a painful, open sore that forms on the external genitalia of the female reproductive system. The lesion may be shallow or deep, single or multiple, and can vary in size from a few millimeters to several centimeters. While most vulvar ulcers are benign and heal with appropriate care, some may be a sign of infection, autoimmune disease, or malignancy.
Who it affects: Vulvar ulcers can occur at any age, but the epidemiology differs by cause.
- Women of reproductive age (15‑45 y) – most often related to sexually transmitted infections (STIs) or traumatic injury.
- Post‑menopausal women – higher likelihood of neoplastic (cancer‑related) or autoimmune ulceration.
- Adolescents – primary HSV‑1/2 infection is a leading cause.
Prevalence: Precise population‑level data are limited, but studies estimate that 10‑15 % of women presenting to sexual health clinics have a vulvar ulcer at some point. In pediatric populations, genital ulcer disease accounts for 5‑10 % of all STIs (CDC, 2022).
Symptoms
Vulvar ulcers present with a combination of local and systemic signs. The pattern can help narrow the underlying cause.
Local Symptoms
- Pain or burning sensation: Usually the first symptom; pain intensifies with pressure, walking, or sexual activity.
- Visible ulcer or crater: A red or white base surrounded by a raised, erythematous border. May have a gray‑white exudate or crust.
- Swelling (edema): The surrounding labial tissue can become markedly edematous.
- Itching (pruritus): Common in inflammatory or allergic etiologies.
- Discharge: Purulent or serous fluid may ooze from the ulcer.
- Bleeding: Minor oozing is typical; brisk bleeding suggests trauma or a vascular lesion.
Systemic Symptoms
- Fever, chills, or malaise – especially with infectious causes (e.g., herpes, syphilis, chancroid).
- Lymphadenopathy – tender inguinal lymph nodes may enlarge.
- Generalized muscle aches or headache – occasionally seen with systemic autoimmune disease.
Causes and Risk Factors
Infectious Causes
- Herpes Simplex Virus (HSV‑1/2): Most common; lesions appear 2‑12 days after exposure, lasting 7‑10 days.
- Syphilis (Treponema pallidum): Primary chancre is painless but can ulcerate; usually accompanied by a non‑tender ulcer.
- Chancroid (Haemophilus ducreyi): Painful ulcer with ragged margins, more common in areas with high STI prevalence.
- Granuloma Inguinale (Klebsiella granulomatis): Beefy‑red, painless ulcer that can bleed easily.
- Human Papillomavirus (HPV) warts: Rarely ulcerate, but secondary infection can cause ulceration.
Non‑infectious Causes
- Autoimmune diseases: Behçet’s disease, lichen planus, and pemphigus vulgaris produce painful erosions.
- Trauma: Friction from tight clothing, sexual activity, or foreign bodies (e.g., retained tampon).
- Dermatologic conditions: Atopic dermatitis, contact dermatitis, or psoriasis may evolve into ulceration.
- Neoplasia: Squamous cell carcinoma of the vulva can present as a chronic ulcer that fails to heal.
- Drug reactions: Stevens‑Johnson syndrome or toxic epidermal necrolysis can involve the vulva.
Risk Factors
- Unprotected sexual contact with an infected partner.
- Multiple sexual partners or a recent change in partner.
- Immunosuppression (HIV, transplant, chemotherapy).
- Poor genital hygiene or chronic moisture (e.g., prolonged diaper use in infants).
- History of previous vulvar ulcers or chronic dermatologic disease.
- Smoking – linked to higher rates of vulvar cancer and delayed wound healing.
Diagnosis
Accurate diagnosis combines a thorough history, focused physical examination, and targeted investigations.
Clinical Evaluation
- Detailed sexual and medical history, including recent exposures, contraceptive use, and systemic symptoms.
- Visual inspection – note size, number, border, base, and surrounding skin condition.
- Pain assessment – use a numeric rating scale (0‑10) to gauge severity.
Laboratory Tests
- Swab for PCR or culture: HSV, HSV‑2, Chlamydia, Neisseria gonorrhoeae, and Haemophilus ducreyi.
- Serologic testing: Rapid plasma reagin (RPR) or VDRL for syphilis; HIV antibody/antigen test if risk factors present.
- Biopsy: Indicated for ulcers persisting > 4 weeks, atypical appearance, or suspicion of malignancy. Histopathology can differentiate lichen planus, pemphigus, or carcinoma.
- Blood work: CBC, ESR/CRP (inflammatory markers), and autoimmune panels (ANA, HLA‑B51 for Behçet’s).
Imaging (rarely needed)
If deep tissue involvement is suspected, pelvic MRI or ultrasound can assess extension into the musculature or adjacent structures.
Treatment Options
General Principles
- Identify and treat the underlying cause.
- Relieve pain and prevent secondary infection.
- Promote moist wound healing to accelerate closure.
Medications
- Antiviral therapy: Acyclovir 400 mg PO TID for 7‑10 days, valacyclovir 1 g PO BID, or famciclovir 250 mg PO TID for HSV.
- Antibiotics: Doxycycline 100 mg PO BID for 7 days (chancroid, syphilis) or azithromycin 1 g PO single dose for chlamydial co‑infection.
- Topical agents: 5% acyclovir cream, mupirocin ointment for bacterial superinfection, or steroid creams (0.1% triamcinolone) for inflammatory etiologies.
- Immunomodulators: Systemic corticosteroids (prednisone 0.5 mg/kg) for severe autoimmune ulceration; taper based on response.
- Pain control: NSAIDs (ibuprofen 400 mg PO q6h) or acetaminophen; for severe pain, short‑term opioid (e.g., tramadol) under physician supervision.
Procedural Interventions
- Debridement: Gentle removal of necrotic tissue in a sterile setting to promote granulation.
- Laser or electrocautery: For refractory recurrent herpes lesions.
- Surgical excision: Indicated for confirmed vulvar carcinoma or persistent premalignant lesions.
- Barrier dressings: Hydrocolloid or silicone dressings keep the ulcer moist and protect from friction.
Lifestyle and Supportive Care
- Wear loose‑fitting cotton underwear; avoid tight leggings, synthetic fabrics, and prolonged moisture.
- Warm sitz baths (10‑15 min, 2–3 times daily) to soothe pain and clean the area.
- Maintain good genital hygiene – gentle cleansing with mild, fragrance‑free soap; pat dry.
- Sexual abstinence or condom use until the ulcer fully heals.
- Stress reduction techniques (yoga, mindfulness) can lessen flare‑ups of autoimmune ulcers.
Living with Ulcus Vulvae (Vulvar Ulcer)
Chronic or recurrent ulcers require a proactive self‑care plan.
Daily Management Tips
- Inspect daily: Look for changes in size, exudate, or new lesions.
- Keep a symptom diary: Record pain scores, triggers (e.g., sexual activity, stress), and medication use.
- Nutrition: Eat a balanced diet rich in zinc, vitamin C, and protein to support tissue repair.
- Hydration: Adequate fluid intake keeps mucosal tissues pliable.
- Pelvic floor exercises: Gentle Kegel training improves blood flow and reduces tension.
- Follow‑up appointments: Schedule visits every 2‑4 weeks during active treatment, then every 6‑12 months for chronic conditions.
Psychosocial Support
Vulvar ulcers can affect sexual confidence and mental health. Consider counseling, support groups, or sex therapy to address anxiety or relationship concerns.
Prevention
- Safe sex practices: Consistent condom use, limiting number of partners, and regular STI screening.
- Vaccinations: HPV vaccine (recommended through age 26, off‑label use up to 45) reduces risk of HPV‑related lesions.
- Prompt treatment of infections: Early antimicrobial therapy limits ulcer formation.
- Skin protection: Avoid irritants (perfumed soaps, douches) and use hypoallergenic products.
- Smoking cessation: Lowers risk of vulvar cancer and improves wound healing.
- Regular gynecologic exams: Early detection of premalignant changes or recurrent ulcer disease.
Complications
If left untreated, vulvar ulcers can lead to serious outcomes.
- Secondary bacterial infection: May spread to the bloodstream (sepsis) especially in immunocompromised patients.
- Scarring and stenosis: Fibrotic tissue can cause narrowing of the vaginal introitus, leading to dyspareunia.
- Chronic pain syndromes: Persistent neuropathic pain may develop after HSV or traumatic ulcers.
- Malignancy: Non‑healing ulcers over 4‑6 weeks warrant biopsy; delayed diagnosis of vulvar cancer reduces survival (5‑year survival 70‑85 % when caught early).
- Psychological impact: Anxiety, depression, and sexual dysfunction are common, especially with recurrent disease.
When to Seek Emergency Care
Call 911 or go to the nearest emergency department if you experience any of the following:
- Sudden, severe vulvar pain with rapid swelling (possible necrotizing infection).
- High fever > 38.5 °C (101.3 °F) with chills and worsening pain.
- Heavy bleeding that does not stop after 10–15 minutes of firm pressure.
- Signs of systemic infection: rapid heart rate, low blood pressure, confusion.
- Difficulty urinating or passing stool due to obstruction from swelling.
These signs may indicate a serious infection (e.g., necrotizing fasciitis, severe cellulitis) or an acute complication requiring immediate intravenous antibiotics and possible surgical intervention.
For all other concerns, contact your primary care provider, gynecologist, or a sexual health clinic within 24‑48 hours.
References
- Mayo Clinic. “Genital herpes.” Updated 2023. doi:10.15586/mayoclinic
- CDC. “Sexually Transmitted Diseases Treatment Guidelines, 2021.” https://www.cdc.gov/std
- NIH. “Behçet’s Disease.” National Institute of Arthritis and Musculoskeletal and Skin Diseases, 2022.
- Cleveland Clinic. “Vulvar Cancer.” 2023. https://my.clevelandclinic.org
- World Health Organization. “WHO Guidelines for the Management of Sexually Transmitted Infections.” 2022.
- American College of Obstetricians and Gynecologists. “Guidelines for Screening and Prevention of Cervical Cancer.” 2021.