Lichen Planus in Women: Symptoms, Causes, and Treatment in the UK

Lichen planus is a relatively common inflammatory condition that can affect various parts of the body, including the skin, scalp, nails, and mucous membranes (such as the mouth and vagina). In the UK, it affects approximately 1% of the population, and while it can occur at any age, it is most frequently diagnosed in women over the age of 40.

The condition is characterised by an overactive immune system attacking the cells of the skin or membranes. It is important to note that lichen planus is not contagious; you cannot catch it from another person, nor can you pass it on. Following NHS and NICE guidance, the condition is usually considered self-limiting, meaning it may eventually clear up on its own, though medical treatment is often required to manage uncomfortable symptoms like intense itching.

The symptoms of lichen planus can vary depending on which part of the body is affected. British patients typically report one or more of the following:

• Skin: Small, flat-topped, shiny bumps that are often purple or reddish-purple. These commonly appear on the wrists, ankles, and lower back. They are notoriously itchy.
• Wickham’s Striae: Tiny white streaks that look like lace or a spider web on the surface of the purple bumps.
• Oral Lichen Planus: Lacy white patches, redness, or painful sores on the inside of the cheeks, gums, or tongue. This can make eating spicy or acidic foods difficult.
• Genital Involvement: In women, this may present as bright red, sore areas or white lacy patterns on the vulva or vagina, which can make sexual intercourse painful.
• Nails: Thinning of the nail plate, ridges, or in some cases, the loss of the nail entirely.

Medical researchers have not yet identified a single definitive cause for lichen planus. However, current NICE clinical knowledge summaries suggest it is an autoimmune-mediated condition. This means the body’s white blood cells mistakenly attack a protein in the skin and mucous membranes.

Certain factors can trigger an outbreak or make a flare-up worse. These include:

• Severe emotional stress or anxiety.
• Skin injuries, such as cuts or burns (known as the Koebner phenomenon).
• A reaction to certain medications, including some beta-blockers, diuretics, or anti-malarial drugs.
• Hepatitis C infection, though this link is less common in the UK than in other parts of the world.
• Metallic dental fillings (amalgam) in very rare cases of oral lichen planus.

In the UK, a diagnosis is usually reached by a GP through a visual examination of the skin or mouth. Because lichen planus has a very distinct appearance—particularly the purple hue and the lacy white patterns—tests are not always necessary.

However, if the diagnosis is unclear, or if the symptoms are particularly severe, a GP may refer you to a dermatologist. A small skin biopsy may be performed under local anaesthetic to confirm the condition. For oral symptoms, a dentist may be the first to notice the patches and refer you for further assessment. Early diagnosis is key to starting a treatment plan that prevents scarring, especially in cases affecting the scalp or genitals.

While there is no permanent cure for lichen planus, many treatments are available via a UK online doctor or your local surgery to manage the inflammation. Common approaches include:

Corticosteroids

The first line of treatment is usually a potent topical corticosteroid cream or ointment (such as clobetasol) to reduce swelling and redness. For oral lichen planus, corticosteroid mouthwashes or sprays may be used.

Antihistamines

If the itch is interfering with your sleep or daily activities, non-sedating antihistamines can help. Sedating antihistamines may be prescribed for nighttime use to help you rest.

Immune-modulating treatments

In persistent cases, creams containing calcineurin inhibitors (like tacrolimus) may be used off-label, following specialist advice, to calm the immune response in sensitive areas like the vulva or mouth.

Self-Care Measures

Patients are advised to use soap substitutes, avoid harsh chemicals, and manage stress levels where possible. For oral symptoms, maintaining excellent oral hygiene and avoiding tobacco can prevent complications.

If you notice a new, unexplained rash or painful patches in your mouth, you should speak to a GP online or in person. Accessing a GP via an online consultation can be a convenient way to get an initial assessment, especially if you have a clear photo of the affected area to share.

An online doctor can provided a 10-minute consultation to review your symptoms against NICE guidelines, offer advice on itch management, and issue a prescription for effective steroid creams if appropriate. They can also help determine if your symptoms require an urgent referral to a specialist dermatologist or if they are likely to resolve with standard primary care treatments. If your lichen planus is affecting your quality of life or sexual health, seeking medical advice early can prevent long-term discomfort and scarring.