Vulvar Ulcers: Causes, Treatments, and Prevention

Vulvar ulcers are one of those symptoms that can send people straight into a panic spiral. Understandably so. A sore in such a sensitive area can hurt, interfere with daily life, and inspire a frantic late-night search history no one wants to discuss out loud. But here’s the important truth: a vulvar ulcer is a symptom, not a diagnosis. It can be caused by infections, skin conditions, immune-related diseases, irritation, trauma, or, more rarely, cancer. In other words, your body is waving a tiny but very dramatic flag and saying, “Please investigate this.”

The good news is that vulvar ulcers are treatable, and many causes are very manageable once properly identified. The less-good news is that trying to guess the cause at home is a bit like trying to identify a bird by hearing one feather fall. Some ulcers are painful, some are painless, some show up once and vanish, and some recur like an unwanted sequel. This guide breaks down what vulvar ulcers are, what causes them, how doctors diagnose them, which treatments may help, and how prevention works in real life.

What Are Vulvar Ulcers?

A vulvar ulcer is an open sore or break in the skin of the vulva, the outer genital area. Some ulcers begin as bumps, blisters, or inflamed patches that later break down into open sores. Others seem to appear out of nowhere and immediately make sitting, walking, urinating, exercising, or wearing fitted clothes feel like a bad idea.

Ulcers can be shallow or deeper, single or multiple, painful or painless. They may appear with burning, itching, swollen groin lymph nodes, discharge, fever, fatigue, or pain with urination. Because the vulvar area is delicate and often exposed to moisture, friction, and irritants, sores may feel worse than they look. Tiny problem, major attitude.

Common Causes of Vulvar Ulcers

1. Infectious causes

Genital herpes is one of the most common causes of genital ulcers in the United States. Herpes simplex virus can cause clusters of painful blisters or sores, but not everyone has the textbook pattern. Some people notice burning, tingling, or itching before sores appear. Others have mild symptoms and do not realize herpes is the cause. Herpes can also spread even when no sores are visible, which is why testing and counseling matter.

Syphilis is another important cause. A classic primary syphilis lesion is a small, painless sore called a chancre. That painless part is especially sneaky because people may ignore it, assume it is healing, and miss the chance for early treatment. The fact that a sore goes away does not always mean the problem is over.

Chancroid is less common in the United States but can cause painful genital ulcers and swollen groin nodes. Other sexually transmitted infections, including some less common ulcer-related infections, can also be part of the differential diagnosis depending on travel history, exposure history, and local disease patterns.

Example: if someone develops recurrent painful sores with a tingling sensation before each outbreak, herpes rises on the list. If the sore is painless and followed later by rash or swollen glands, syphilis becomes a major concern. Similar zip code, different diagnosis.

2. Non-sexually transmitted causes

Not every vulvar ulcer is related to sex or an STI. That point deserves a spotlight, confetti, and a giant sign to reduce stigma.

Lipschütz ulcers, also called acute non-sexually transmitted genital ulcers, are rare but very real. They can occur after a viral-like illness and are often seen in adolescents and young women. These ulcers can be quite painful, yet they usually heal on their own over a period of weeks with supportive care.

Aphthous-type ulcers can also occur on the vulva, similar in concept to canker sores elsewhere, though the location understandably makes them feel far more disruptive.

Behçet disease is an inflammatory condition that can cause recurrent mouth ulcers and genital ulcers, often along with skin, eye, or other systemic symptoms. If mouth sores and genital sores keep showing up together, clinicians start asking bigger-picture questions.

Crohn’s disease and other inflammatory or autoimmune conditions may occasionally affect the vulvar area. In some cases, ulcers are part of a wider pattern involving bowel symptoms, skin changes, or immune dysregulation.

Contact dermatitis and irritation can also contribute to skin breakdown and ulcer-like lesions, especially when the vulva is exposed to perfumed soaps, bubble baths, scented toilet paper, laundry products, vaginal sprays, douching, tight clothing, friction, wet swimsuits, or prolonged rubbing. The vulva is not a fan of “spring meadow sparkle” fragrance technology.

Skin disorders such as lichen planus or other inflammatory vulvar diseases can lead to erosions, fissures, and painful sores. Trauma from friction, scratching, or injury may also create ulcers or ulcer-like lesions.

Rarely, vulvar cancer can present as a persistent sore or ulcer that does not heal, especially when symptoms do not fit a typical STI pattern or fail to improve with standard treatment. This is one reason why a nonhealing ulcer always deserves medical attention.

Symptoms That Should Never Be Ignored

Some vulvar ulcers improve with time, but others need prompt diagnosis and treatment. Call a healthcare professional if you notice:

• A new sore, blister, or open lesion on the vulva
• Severe pain, swelling, or trouble urinating
• Fever, body aches, or swollen groin lymph nodes
• Recurring sores
• A sore after possible STI exposure
• A painless ulcer, which can still be serious
• A sore that lasts more than two to four weeks
• A lesion that worsens, bleeds easily, or does not respond to treatment

If you are pregnant, immunocompromised, or feeling very ill, don’t wait and see. Seek care sooner rather than later.

How Vulvar Ulcers Are Diagnosed

Diagnosis starts with a medical history and a careful physical exam, but history and appearance alone are often not enough. Many different conditions can look similar in the genital area, which is why experts recommend formal evaluation instead of confident guessing based on a search engine and vibes.

Your clinician may ask about:

• When the sore started and whether it is painful
• Whether it began as a blister, bump, rash, or crack in the skin
• Recent illness, fever, mouth ulcers, bowel symptoms, or skin problems
• New products, detergents, lubricants, or clothing friction
• Sexual exposures and STI history
• Pregnancy, immune conditions, or medication use

Testing may include a swab from the sore, blood tests, urine testing, and STI testing. In many cases, clinicians test for herpes and syphilis and may also recommend HIV testing when genital ulcers are present. If an ulcer is unusual, recurrent, or not responding to treatment, a biopsy may be needed to rule out inflammatory disorders or cancer.

Example: a person with a first-time painful ulcer after a flu-like illness may need testing to rule out herpes and syphilis before the ulcer is labeled non-sexually transmitted. A person with a long-lasting sore that keeps dodging treatment may need biopsy rather than yet another “just try this cream” experiment.

Treatment Options

Treatment depends entirely on the cause, which is why correct diagnosis matters so much.

Treatment for herpes-related ulcers

Genital herpes is commonly treated with antiviral medications such as acyclovir, valacyclovir, or famciclovir. These medicines can shorten outbreaks, reduce symptoms, and, in some cases, be used as suppressive therapy to reduce recurrences and lower transmission risk. They do not cure herpes, but they can make life much easier and outbreaks much less disruptive.

Treatment for syphilis and other bacterial infections

Syphilis requires prescription antibiotic treatment, and early treatment is important to prevent progression and reduce transmission. Other bacterial causes of genital ulcers are also treated with antibiotics, but the right drug depends on the organism involved. This is not the place for random leftover antibiotics from the bathroom cabinet.

Treatment for noninfectious ulcers

Lipschütz ulcers often improve with supportive care over a few weeks. Behçet disease, Crohn’s disease, or autoimmune-related ulcers may require anti-inflammatory or immune-modulating treatment guided by a specialist. If contact dermatitis or irritation is the culprit, removing the trigger is a major part of the solution. Ongoing exposure to the irritant can keep the area inflamed and delay healing.

Symptom relief while healing

Regardless of cause, symptom relief matters. Depending on the situation, clinicians may recommend:

• Topical or oral pain relief
• Cool compresses or sitz baths
• Gentle cleansing with water or mild unscented products
• Loose cotton underwear and breathable clothing
• Avoiding friction, scratching, and sexual contact until evaluated and healed
• Barrier ointments or prescribed topical medications when appropriate

What not to do? Do not apply harsh antiseptics, alcohol, perfumed products, random internet creams, or “natural” remedies that sting like betrayal. The vulva prefers calm, boring, fragrance-free peace.

Can Vulvar Ulcers Be Prevented?

Prevention depends on the cause. There is no single strategy that prevents all vulvar ulcers because some are infectious, some are inflammatory, and some are related to irritation or underlying disease.

To reduce STI-related ulcers

• Use condoms or dental dams during sexual activity
• Avoid sexual contact when sores, blisters, or prodrome symptoms are present
• Consider regular STI screening based on your risk profile
• Communicate with partners and seek early testing after possible exposure
• Follow prescribed suppressive therapy if you have recurrent herpes and your clinician recommends it

Barrier methods lower risk, but they do not cover all skin-to-skin contact. That is especially important with herpes, which can spread even when symptoms are absent.

To reduce irritation-related ulcers

• Choose unscented soaps, detergents, and menstrual or hygiene products
• Avoid douching and vaginal deodorizing products
• Change out of wet swimsuits or sweaty workout clothes promptly
• Wear breathable underwear and avoid tight, rubbing fabrics when irritated
• Use gentle lubrication if friction is a problem and a clinician has ruled out infection

To reduce recurrence from medical conditions

• Stay on top of treatment for inflammatory, autoimmune, or skin conditions
• See a specialist if ulcers recur with mouth sores, eye symptoms, or bowel symptoms
• Do not ignore persistent or unexplained lesions

When a Vulvar Ulcer Might Be More Than “Just a Sore”

A persistent vulvar ulcer deserves respect. If it does not heal, keeps returning, appears in someone at low STI risk, or comes with unusual skin changes, biopsy may be needed. This is especially important because vulvar cancer can sometimes present as a lesion or ulcer that does not improve. Most vulvar ulcers are not cancer, but “probably fine” is not a diagnosis.

Also important: if sores come with severe pain, inability to urinate, or systemic symptoms like fever and malaise, urgent care may be appropriate. And if pregnancy is in the picture, genital ulcers should always be discussed with an obstetric clinician, because some infections carry special risks around delivery.

What the Experience Often Feels Like: A Longer, Real-Life Look

Living with a vulvar ulcer can be physically uncomfortable, but the emotional side often catches people off guard. Many describe the first reaction as disbelief: maybe it is an ingrown hair, maybe irritation, maybe absolutely nothing to see here. Then walking starts to hurt, underwear feels like sandpaper, and suddenly the body part that normally minds its own business becomes the main character of the week.

One common experience is delay. People wait a few days because the sore is embarrassing, they are worried about judgment, or they hope it will disappear. Some are afraid a clinician will assume the cause is sexual. Others fear the opposite: that a partner will panic, blame them, or misunderstand what is happening. This is especially true when ulcers are ultimately caused by non-sexually transmitted conditions like Lipschütz ulcers, aphthous ulcers, autoimmune disease, or skin irritation. The stigma can be worse than the symptom, and that is saying something when urinating already feels like a terrible design choice.

Pain patterns vary. Some people feel burning or stinging, especially with urine, sweat, exercise, or tight clothing. Others notice a deep ache, swollen groin nodes, or a sensation of raw skin. Sitting through class, commuting, working a long shift, or even sleeping comfortably can become surprisingly difficult. A person may start making tiny daily adjustments without realizing it: walking differently, choosing loose pants, skipping the gym, sitting on one side, or carrying water to rinse the area after using the bathroom because it hurts less that way.

Recurrent ulcers often bring a different experience: frustration. Once someone has had one outbreak or episode, every twinge can trigger worry. Is it back? Is this the start? Did I use the wrong soap, get too stressed, stay in workout clothes too long, catch a virus, miss a medication dose, or all of the above? People with recurrent herpes, Behçet disease, or chronic vulvar skin disorders often say the unpredictability is one of the hardest parts.

Relief usually starts not when the internet says, “could be several things,” but when a real diagnosis is made. Even if treatment is simple, having an explanation changes everything. A person with herpes may feel better knowing outbreaks can be managed. Someone with a non-sexually transmitted ulcer may finally stop blaming themselves. A patient with an irritant reaction may improve dramatically just by removing scented products and friction triggers. And someone with a persistent lesion can move toward biopsy and proper care instead of spending months cycling through guesswork.

The lived experience also includes recovery. Healing often means being gentle with the area, changing routines, and allowing time for the skin to settle down. Many people find that the best care is surprisingly unglamorous: mild cleansing, loose clothing, prescribed medication, follow-up visits, and patience. Not glamorous, not trendy, but wonderfully effective. In the end, the biggest lesson is this: vulvar ulcers are medical issues, not moral ones. Prompt evaluation, accurate diagnosis, and compassionate care make a huge difference.

Final Takeaway

Vulvar ulcers can be caused by infections such as herpes or syphilis, but they can also result from non-sexually transmitted conditions like Lipschütz ulcers, autoimmune disease, inflammatory disorders, irritation, trauma, or, rarely, cancer. Because several causes can look alike, proper evaluation is essential. Treatment may involve antivirals, antibiotics, anti-inflammatory therapy, trigger avoidance, pain relief, or biopsy for persistent lesions. Prevention is part safer sex, part smart vulvar skin care, and part knowing when your body is asking for a closer look. If a sore is new, painful, recurrent, or not healing, get it checked. Your future self will appreciate the upgrade from guesswork to actual answers.

Note: This article is for educational purposes and is not a substitute for diagnosis or treatment by a licensed healthcare professional.