Lichen Sclerosus: Symptoms, Causes, Treatment, and How to Recognize It

Lichen Sclerosus

Itching, burning, or skin sensitivity in the intimate area are often assumed to be signs of a yeast infection, dermatitis, or an allergic reaction. However, the cause may sometimes be a chronic skin condition called lichen sclerosus.

Lichen sclerosus often goes undiagnosed for years, even though it can significantly affect quality of life. In this article, we explain what lichen sclerosus is, its common symptoms, how it is diagnosed, and what to know about treatment and daily care.

The condition can appear at any age and may affect quality of life from childhood through older age. However, it is more common in prepubertal girls and postmenopausal women.

It is estimated that approximately 1 in 70 women may have lichen sclerosus, although many cases remain undiagnosed.

Lichen sclerosus can also affect men, most commonly involving the skin of the penis.

What Causes Lichen Sclerosus?

The exact cause of lichen sclerosus is not fully understood, but research points to several possible contributing factors:

  • Autoimmune processes, in which the body attacks its own tissues
  • Genetic predisposition
  • Hormonal changes

What Are the Symptoms of Lichen Sclerosus?

Early lichen sclerosus symptoms can be subtle and are often mistaken for other conditions.

Common symptoms may include:

  • Intense itching, especially at night
  • Burning or stinging sensations
  • Skin sensitivity or pain
  • White or thinning patches of skin
  • Dryness and reduced skin elasticity

Because of these symptoms, lichen sclerosus is often misdiagnosed as a yeast infection, allergy, or dermatitis.

It is important to consider lichen sclerosus when symptoms repeatedly return, do not improve, or continue to worsen without a clear explanation.

Why Is Lichen Sclerosus Often Diagnosed Late?

For some people, it can take 5 to 15 years to receive a diagnosis.

Possible reasons for a delayed diagnosis include:

  • Symptoms that are not specific to lichen sclerosus
  • Confusion with yeast infections, allergies, or dermatitis
  • Limited awareness of the condition

What Happens If Lichen Sclerosus Progresses?

Without treatment, lichen sclerosus can progress and lead to more serious changes, including:

  • Skin cracking or tearing
  • Painful erosions or bleeding
  • Scarring
  • Shrinking of the labia minora
  • Fusion of tissues
  • Narrowing of the vaginal opening
  • Pain during sex

Damaged skin may also increase the risk of secondary infections.

Is Lichen Sclerosus Dangerous?

Lichen sclerosus is not usually life-threatening, but it can worsen over time when left untreated.

There is also a small 2% to 5% risk of developing vulvar squamous cell carcinoma. Regular medical follow-up is therefore important.

How Is Lichen Sclerosus Diagnosed?

In most cases, lichen sclerosus is diagnosed during a clinical examination.

A biopsy may be used to confirm the diagnosis, but it is not always necessary. During the early stages, skin changes may be subtle, so a doctor may begin treatment and monitor how the condition responds.

A biopsy may be recommended when:

  • The diagnosis is unclear
  • Precancerous or cancerous changes are suspected

How Is Lichen Sclerosus Treated?

Although lichen sclerosus cannot currently be completely cured, it can usually be managed effectively.

The main lichen sclerosus treatment is the use of high-potency topical corticosteroids.

These treatments are typically used more frequently at first, followed by long-term maintenance treatment at a lower frequency.

Early treatment may help:

  • Reduce itching, burning, and discomfort
  • Prevent or limit scarring
  • Slow the progression of the condition

Daily Care for Lichen Sclerosus

Gentle daily care is an important part of managing lichen sclerosus and reducing irritation.

Daily-care recommendations may include:

  • Choosing fragrance-free products designed for sensitive skin
  • Avoiding harsh or irritating cleansers
  • Using emollients to moisturize and protect the skin
  • Wearing loose, breathable underwear made from natural fabrics
  • Avoiding friction and mechanical irritation

Even small changes to daily habits may help reduce discomfort.

Lichen Sclerosus and Diet

Some women notice a connection between their diet and lichen sclerosus symptoms, although individual experiences can vary.

Different dietary approaches, including the Autoimmune Protocol, or AIP diet, are sometimes explored. However, there is currently no scientifically proven diet that treats lichen sclerosus.

When Should You See a Doctor?

Ongoing itching, burning, stinging, or recurring discomfort in the intimate area should not be ignored, particularly when symptoms do not go away.

These symptoms are not something you should simply have to tolerate.

Consider speaking with a gynecologist or dermatologist for an examination and appropriate diagnosis.

The earlier lichen sclerosus is diagnosed, the more effectively its symptoms and progression can often be managed.

Reviewed and medically verified by OB-GYN Prof. Dr. Kristina Jarienė.

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