Overview

Lichen planus is a chronic inflammatory skin condition that affects the skin, mucous membranes, hair, and nails. It is characterized by an itchy rash that can appear as small, flat-topped, shiny, reddish-purple bumps. Lichen planus can affect any part of the body but is most common on the wrists, ankles, lower back, and neck. The exact cause of lichen planus is unknown, but it is believed to be an autoimmune response. It is not contagious or harmful, but it can be bothersome and persistent.

Symptoms

The symptoms of lichen planus can vary depending on the type and location of the rash. Common symptoms include:

• Itchy rash
• Flat-topped, shiny, reddish-purple bumps
• Thickened or grooved nails
• Ulcers or sores in the mouth
• Hair loss

Treatment

There is no cure for lichen planus, but treatment can help manage symptoms and improve the appearance of the rash. Treatment options may include:

• Topical corticosteroids
• Oral antihistamines
• Phototherapy
• Oral corticosteroids
• Immune-modulating medications

FAQ

1. What causes lichen planus?

The exact cause of lichen planus is unknown, but it is believed to be an autoimmune response.

2. Is lichen planus contagious?

No, lichen planus is not contagious.

3. Can lichen planus be cured?

There is no cure for lichen planus, but treatment can help manage symptoms.

4. Is lichen planus painful?

Lichen planus can be itchy and uncomfortable, but it is not usually painful.

5. Can lichen planus affect the mouth?

Yes, lichen planus can cause ulcers or sores in the mouth.

6. How is lichen planus diagnosed?

Lichen planus is usually diagnosed based on the appearance of the rash and may be confirmed with a skin biopsy.

7. Can lichen planus be prevented?

There is no known way to prevent lichen planus.

8. Is lichen planus hereditary?

Lichen planus is not believed to be hereditary.

9. Does lichen planus affect only adults?

Lichen planus can affect individuals of any age, but it is most common in adults.

10. How long does lichen planus last?

Lichen planus can be a chronic condition that lasts for months or even years.