If you have persistent vulval itching, soreness or paler skin, you may think you have thrush or irritation. If your symptoms keep returning, it is worth asking a clinician whether lichen sclerosus or another vulval skin condition could be responsible.
Lichen sclerosus can make your skin itchy, fragile or painful and may cause scarring if untreated. You can usually control it with a very potent topical corticosteroid ointment, while regular follow-up helps you manage your symptoms and monitor your skin.
What Should You Know About Vulval Lichen Sclerosus?
Lichen sclerosus (LS) is a long-term inflammatory skin condition that often affects your vulva and the skin around your anus. You can develop it at any age, but you are more likely to develop it after menopause.
Your genital skin may become itchy, fragile or sore, especially with friction and everyday movement. Although there is no permanent cure for LS, treatment and regular follow-up can usually control the condition well. You should arrange a review when you notice ongoing skin changes, even without severe pain.
What Does Lichen Sclerosus Look Like?
Lichen sclerosus can make your vulval skin look pale or white and shiny, and you may notice areas that appear thin, wrinkled or fragile. You may also develop cracks, bruising or small areas of bleeding after scratching, wiping or sexual activity.
Your symptoms can affect a small or wider area, including the skin around your anus. If you notice persistent itching or soreness, you should have your skin assessed by a clinician rather than relying on your own photographs or online images.
Is Severe Itching Always the Main Symptom?
Itching is common with lichen sclerosus, but you may mainly notice soreness, burning or stinging. You may also feel discomfort after urinating, exercising or wearing tight clothing, while your fragile skin can make sex painful.
Your symptoms may be mild even when skin changes are present. Your treatment and follow-up should therefore take account of both your symptoms and the skin changes seen during examination. You should therefore mention any burning, stinging or pain even if you do not have severe itching.
Why Can Lichen Sclerosus Change the Shape of Your Vulva?
Long-term inflammation from lichen sclerosus can cause scarring and changes to your vulval structure. You may notice the inner labia becoming smaller or fused, the skin over the clitoris becoming tighter, or the vaginal entrance narrowing.
Early treatment can help you control inflammation and reduce further scarring. You do not need to wait for symptoms to become severe before seeking review, as early assessment and treatment can help limit further scarring.
What Should You Know About the Causes of Vulval Lichen Sclerosus?
The exact cause of lichen sclerosus is still not fully understood. You may be more likely to have certain associated autoimmune conditions, such as thyroid disease or vitiligo, and genetic susceptibility may also play a role, but there is no single proven cause. Although LS is more common after menopause, hormone abnormalities are not considered an established cause of the condition.
Friction, urine leakage or tight clothing can make your symptoms worse, but these factors do not mean that you caused the condition. You may not be able to prevent it, so you and your clinician can focus on controlling your symptoms and protecting your skin.
Is Lichen Sclerosus an Infection or STI?
No, lichen sclerosus is not a sexually transmitted infection, and you cannot catch or pass it through sex or physical contact. LS is also not caused by poor hygiene, and strong soaps or fragranced washes can make your symptoms worse.
If you keep treating yourself for thrush but your symptoms return, you should have your vulval skin examined. You and your clinician can then identify the cause and make sure you receive the right treatment.
Why Is Lichen Sclerosus Sometimes Mistaken for Thrush?
Thrush and lichen sclerosus can both cause vulval itching and discomfort, so you may assume your symptoms are thrush. However, your clinician may notice pale, fragile or cracked skin and changes that suggest LS instead.
Other conditions, including eczema, dermatitis and psoriasis, can also affect your vulval skin. If your symptoms keep returning, you should have them assessed so you and your clinician can find the right cause and treatment.
How Will Your Doctor Diagnose Lichen Sclerosus?
An experienced clinician can often diagnose lichen sclerosus by examining your vulval skin and asking about your symptoms. You may be asked about your itching, soreness, painful sex, skin changes and any autoimmune conditions you have.
You may not need blood tests to diagnose LS, but you could need a biopsy if your skin looks unusual or your diagnosis is uncertain. A biopsy can help confirm the diagnosis, rule out other conditions and guide appropriate treatment.
When Might You Need a Vulval Biopsy?
A biopsy removes a small sample of your skin for examination under a microscope. You may not need one when the appearance is typical, but your clinician may recommend a biopsy if the diagnosis is uncertain, an area does not improve despite appropriate treatment, or you develop persistent thickening, ulceration or another change that needs further investigation.
Being advised to have a biopsy does not necessarily mean that cancer is present. Your clinician may recommend it simply to confirm your diagnosis, rule out other conditions and make sure you receive the right treatment.
What Treatment Should You Expect for Vulval Lichen Sclerosus?
The main treatment for vulval lichen sclerosus is a very potent topical corticosteroid ointment, most commonly clobetasol propionate 0.05%. Clobetasol can be used safely and effectively on vulval lichen sclerosus when it is prescribed and applied according to your clinician’s instructions.
Clobetasol treats the underlying inflammation rather than only relieving itching. Regular treatment as prescribed can control inflammation, protect your skin and reduce the risk of further scarring. You should ask how much ointment you need, where you should apply it and when you should return for review.
How Should You Use Steroid Ointment?
Your clinician should give you an individual treatment plan and show you exactly where the steroid ointment needs to be applied. They can also explain how much to use, as applying it to the correct areas is important for controlling inflammation effectively.
If you are unsure whether you are using the ointment correctly, ask your clinician to review your technique rather than changing the amount or frequency yourself. A commonly used three-month treatment schedule is outlined in the next section.
What Should You Expect from a Typical Three-Month Steroid Plan?
| Treatment period | Typical clobetasol use |
| Month 1 | Usually once daily |
| Month 2 | Usually every other day |
| Month 3 | Usually twice weekly |
| After 3 months | Your clinician reviews your response and decides whether maintenance treatment is needed |
This is a commonly used treatment schedule, but your own plan may be different depending on how active your lichen sclerosus is and how your skin responds. You should follow the instructions given by your clinician rather than changing the frequency of treatment yourself. You should use the schedule your clinician gives you rather than increasing or reducing treatment because you feel better.
Will You Need Steroid Treatment Long Term?
After your initial treatment course, your clinician will usually review how well your symptoms and skin changes have responded. Some people need ongoing intermittent maintenance treatment, while the frequency may be adjusted according to disease activity and your clinician’s advice.
You should not stop or reduce treatment simply because the itching has improved, as inflammation and skin changes can sometimes remain active with few symptoms. Your clinician can help you find the lowest treatment frequency that keeps your condition controlled and protects your vulval skin.
UK Guidance Note
UK guidance recommends an initial three-month course of a very potent topical corticosteroid such as clobetasol propionate 0.05%, followed by review and an individualised long-term treatment plan. You may need ongoing intermittent treatment to keep inflammation controlled and reduce further scarring.
What Can You Do to Reduce Everyday Irritation?
Your everyday vulval skincare can help you stay comfortable and reduce irritation. You should avoid soaps, shower gels, wipes and fragrances, and you can use a gentle emollient or soap substitute instead.
You can gently pat your skin dry after urinating and, if recommended, use a suitable barrier ointment such as petroleum jelly to protect irritated areas. You can also reduce friction with loose clothing, but you should continue your prescribed steroid because skincare alone will not control active LS.
Clinical Tip
If you use petroleum jelly, paraffin-based ointments or other emollients, remember that residue can build up in clothing and bedding and make fabrics easier to ignite. You should keep treated fabrics away from cigarettes, naked flames and other sources of fire and follow the product’s safety instructions.
Can Lichen Sclerosus Affect Your Sex Life?
Lichen sclerosus can affect your sex life if inflammation, skin fragility or scarring makes sexual activity uncomfortable. You may notice pain, burning or tearing during sex, and these symptoms can also affect your confidence or desire.
- Pain During Sex: Inflamed or fragile vulval skin can feel sore or painful when it is stretched during sexual activity.
- Skin Tearing or Burning: Friction may cause small tears, burning or irritation if your skin is particularly sensitive.
- Scarring Can Cause Tightness: If lichen sclerosus causes scarring or narrowing around the vaginal entrance, penetration may become more difficult or uncomfortable.
- Support and Treatment Can Help: You can discuss painful sex with your clinician, who may recommend suitable treatment, lubricants or further support depending on your symptoms.
You do not have to accept painful sex as an unavoidable part of lichen sclerosus. With appropriate treatment and support, you may be able to reduce discomfort, protect your skin and improve your sexual wellbeing. If significant scarring or narrowing continues to interfere with sex or other daily activities despite medical treatment, your clinician may refer you to a specialist vulval service to discuss additional options.
What Should You Know About Vulval Lichen Sclerosus and Cancer Risk?
Lichen sclerosus does increase your risk of developing vulval skin cancer, but most women with LS will never develop cancer. The British Association of Dermatologists describes the risk as less than 5 in 100, and keeping the condition well controlled with appropriate treatment appears to reduce this risk further.
You should ask your clinician to assess any new lump or ulcer, as well as persistent thickening, crusting or soreness. If an area looks or feels different from your usual lichen sclerosus, you should have it checked rather than assuming it is another flare. You can ask what skin changes you should watch for and when you should arrange an earlier review.
Evidence Note
In a prospective study of 507 women with vulval lichen sclerosus, no biopsy-confirmed squamous cell carcinoma or vulval intraepithelial neoplasia developed among the 357 women who followed their prescribed corticosteroid treatment, compared with seven cases among 150 women who were only partly adherent. This was an observational study, so the findings show an association rather than proving that treatment removes cancer risk.
Why Should You Continue Long-Term Follow-Up?
Lichen sclerosus is long-term, so your treatment may continue after the first three-month steroid course. You should attend follow-up so your clinician can check your symptoms, skin and any scarring, and adjust your treatment if needed.
You should continue regular vulval self-examination long term so that you become familiar with what is normal for you. If you notice a new lump, persistent ulcer, thickened area, crusting or another change that does not settle, you should arrange medical review rather than waiting for your next routine appointment.
Research Insight
The same long-term study found progression of adhesions and scarring in 3.4% of women who followed treatment instructions compared with 40% of those who were only partly adherent. This reinforces why consistent treatment may remain important even when your itching or soreness is mild.
When Should You See a Dermatologist?
You should see your clinician if you have persistent vulval itching, soreness, pale skin changes or fissures, especially if thrush treatment has not helped. If you have LS, you should also seek advice if your symptoms remain uncontrolled despite treatment.
You should have any new lump or clearly unusual change assessed promptly. Persistent skin thickening, soreness, crusting or ulceration that does not improve with your prescribed treatment, particularly if it lasts more than two weeks, also needs medical review. If scarring affects sex, urination or daily activities, your clinician can assess whether you need additional treatment or referral to a specialist vulval service.
Myth vs Fact
| Myth | Fact |
| Lichen sclerosus is an STI. | LS is not infectious or sexually transmitted. |
| Poor hygiene causes lichen sclerosus. | LS is not caused by poor hygiene, and excessive washing can actually irritate your skin. |
| If your itching stops, the condition has gone away. | LS can remain active even when symptoms are mild, so follow-up and appropriate maintenance treatment may still be needed. |
| Strong steroid ointment is too dangerous for vulval skin. | Clobetasol is an established first-line treatment and is considered safe when used correctly under medical guidance. |
| Everyone with lichen sclerosus develops vulval cancer. | Most women do not develop cancer, although LS does increase the risk and long-term monitoring is important. |
| You always need a biopsy to diagnose LS. | Diagnosis is often clinical, although biopsy may be needed when the diagnosis is uncertain or concerning changes are present. |
Key Takeaways
- Vulval lichen sclerosus is a long-term inflammatory skin condition and is not an infection or STI.
- Very potent topical corticosteroid ointment such as clobetasol is the main treatment, and some people need ongoing maintenance therapy.
- Regular treatment can help control symptoms, reduce further scarring and may lower the risk of complications.
- You should continue long-term self-checks and seek medical review for any new lump, persistent ulcer, thickening or unusual skin change.
Frequently Asked Questions
1. Can vulval lichen sclerosus go away on its own?
Lichen sclerosus is a long-term condition and there is no permanent cure. Symptoms can sometimes vary over time, but treatment is important because inflammation may remain active even when itching or soreness improves.
2. What are the symptoms of lichen sclerosus?
You may notice persistent itching, soreness, burning or stinging, along with pale or white, thin and fragile skin. Your skin may also crack, bruise or bleed, and you may experience pain during sex or discomfort when urinating.
3. Is lichen sclerosus an STI?
No, lichen sclerosus is not an STI, and you cannot catch or pass it through sexual contact. It is also not caused by poor hygiene, although soaps, fragrances and other irritants can make your symptoms worse.
4. How is vulval lichen sclerosus diagnosed?
Your clinician can often diagnose lichen sclerosus by examining your vulval skin and asking about your symptoms and medical history. If your diagnosis is uncertain or your skin has an unusual thickened, persistent or sore area, you may need a small skin biopsy.
5. How long might you need to use steroid ointment for lichen sclerosus?
An initial course of clobetasol is commonly used over about three months, with the frequency gradually reduced according to your treatment plan. Some people then need intermittent maintenance treatment, so your clinician will review your skin and advise how often you should continue using the ointment.
6. Can lichen sclerosus cause scarring?
Yes, ongoing inflammation can cause scarring that changes the shape of your vulva and may make the vaginal entrance narrower. If you start treatment early and follow your treatment plan, you can help control inflammation and reduce the risk of further scarring.
7. Can treatment help with painful sex caused by lichen sclerosus?
Treatment can reduce inflammation, soreness and skin fragility, which may make sexual activity more comfortable. If pain continues because of scarring or narrowing around the vaginal entrance, your clinician can review your treatment and discuss lubricants, additional support or referral to a specialist vulval service.
8. Does lichen sclerosus increase your risk of vulval cancer?
Lichen sclerosus increases your risk of vulval skin cancer, although most women with the condition do not develop it and the British Association of Dermatologists describes the risk as less than 5 in 100. You should have any new or persistent lump, ulcer, thickening or unusual sore area checked by your clinician.
9. Can you manage lichen sclerosus with everyday skincare?
You can reduce irritation by avoiding soaps, shower gels, wipes and fragranced products around your vulva. You can use a gentle emollient or soap substitute and wear loose clothing, but you should continue your prescribed steroid because skincare alone will not control active lichen sclerosus.
10. When should you see a dermatologist for lichen sclerosus?
You should see a clinician if you have persistent vulval itching, soreness, pale skin changes or cracks, especially if treatment for thrush has not helped. If you already have lichen sclerosus, you should also seek medical advice if your symptoms remain uncontrolled or you notice a new lump, ulcer, crusting or thickened area.
Final Thoughts: Managing Vulval Lichen Sclerosus
Vulval lichen sclerosus is a long-term condition, but you can usually control your symptoms with the right treatment and regular monitoring. Early and consistent treatment can help protect your skin, control inflammation and reduce the risk of further scarring, while regular monitoring helps ensure that any concerning changes are assessed promptly.
If you would like to arrange a consultation with one of our Dermatologist in London, you can contact our team at the London Dermatology Centre.
References:
- British Association of Dermatologists (BAD) (2022) Lichen sclerosus in females. Updated September 2022. Available at: https://www.bad.org.uk/pils/lichen-sclerosus-in-females (Accessed: 8 September 2026).
- Lewis, F.M., Tatnall, F.M., Velangi, S.S., Bunker, C.B., Chiang, N., Worsnop, F.S., Buckley, D., Petrof, G., Salin, A., Callachand, N., Saunders, C. and Salad, A.A. (2018) ‘British Association of Dermatologists guidelines for the management of lichen sclerosus, 2018’, British Journal of Dermatology, 178(4), pp. 839-853. Available at: https://academic.oup.com/bjd/article/178/4/839/6602656
- De Luca, D.A., Papara, C., Vorobyev, A., Staiger, H., Bieber, K., Thaçi, D. and Ludwig, R.J. (2023) ‘Lichen sclerosus: The 2023 update’, Frontiers in Medicine, 10, 1106318. Available at: https://pubmed.ncbi.nlm.nih.gov/36873861/
- Edwards, S.K., Lewis, F., Fernando, I., Haddon, L. and Grover, D. (2025) ‘2024 British Association for Sexual Health and HIV (BASHH) UK national guideline on the management of vulval conditions’, International Journal of STD & AIDS, 36(5), pp. 346-371. Available at: https://journals.sagepub.com/doi/10.1177/09564624241311629 (Accessed: 8 September 2026).
- British Association of Dermatologists (BAD) (2023) Vulval skincare. Updated May 2023. Available at: https://www.bad.org.uk/pils/vulval-skincare
- Lee, A., Bradford, J. and Fischer, G. (2015) ‘Long-term management of adult vulvar lichen sclerosus: A prospective cohort study of 507 women’, JAMA Dermatology, 151(10), pp. 1061-1067. Available at: https://jamanetwork.com/journals/jamadermatology/fullarticle/2301155