New Lump, Bump, or Ulcer on the Vulva
How doctors evaluate new lump, bump, or ulcer on the vulva — persistence, progression, common non-cancerous causes, and when to consult a doctor.
Quick answer: what to know
This symptom is very common and is vastly more likely to be caused by a benign, non-cancerous condition. However, if it is persistent (lasting longer than 2 to 4 weeks) or progressive (getting steadily worse), you should have it evaluated by a healthcare professional.
🔍 How Doctors Evaluate This Symptom
Most symptoms are far more commonly caused by benign, non-cancerous conditions. When a change in your body is being assessed, two things matter most:
A new lump, wart-like bump, raw patch or ulcer on the vulva should be examined within a week or two, and an open sore that has lasted a month or more should be assessed without further delay — duration beyond a month is specifically flagged as a feature that needs looking at. A new pigmented spot that is changing in size, shape or colour should be examined promptly, whatever its duration.
Progression means the lump enlarging, hardening or becoming fixed, an ulcer widening or failing to heal over weeks, bleeding or discharge from it, the surface becoming raw or cauliflower-like, colour changing or becoming irregular, pain or burning developing, or a lump appearing in the groin.
Common benign causes include Bartholin gland cysts and abscesses, epidermoid and sebaceous cysts, genital warts from HPV, herpes ulcers, folliculitis and boils, hidradenitis suppurativa, skin tags, and ingrown hairs after shaving or waxing. Aphthous ulcers and Behcet's disease also cause recurrent vulvar sores.
A more common cause is not a reason to wait. A symptom that is new, lasts, or gets worse should be checked by a doctor. If it is severe or sudden, call 911 (US) or go to the nearest emergency department.
Representative Scenario: Evaluating New Lump, Bump, or Ulcer on the Vulva
An individual notices new lump, bump, or ulcer on the vulva and schedules an evaluation with their doctor to review their health history.
Common causes that are not cancer
Before considering rare explanations, healthcare providers first check for common, harmless (benign) causes, such as:
Common benign causes include Bartholin gland cysts and abscesses, epidermoid and sebaceous cysts, genital warts from HPV, herpes ulcers, folliculitis and boils, hidradenitis suppurativa, skin tags, and ingrown hairs after shaving or waxing. Aphthous ulcers and Behcet's disease also cause recurrent vulvar sores.
When cancer may be considered
Doctors consider cancer as a possibility mainly when a symptom is persistent (does not resolve after 2–4 weeks of standard care), progressive (steadily worsening), or accompanied by associated changes like unexplained weight loss, fever, night sweats, or a hard lump.
Details that matter to your doctor
- Exact date when you first noticed the change.
- Whether the symptom is constant or comes and goes.
- Whether anything makes the symptom better or worse.
- Any family history of similar health conditions.
What not to do
- Do not repeatedly self-treat a persistent symptom with over-the-counter remedies without getting evaluated.
- Do not attempt to self-diagnose using online images or automated symptom quizzes.
- Do not assume a symptom is harmless simply because it is painless.
- Do not delay emergency care if you experience severe shortness of breath or heavy bleeding.
What a clinician may ask or check
Your doctor will usually ask about your health history, do a physical exam, and review your medicines. If needed, they may order blood tests or imaging scans to find the cause.
Prepare for your doctor visit
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This guide is based on official guidance published by the National Cancer Institute ↗