Lichen planus is a condition that causes inflammation and a rash on the skin, which can affect various parts of the body, including the arms, legs, scalp, nails, genital area, and the inside of the mouth
. The exact cause of lichen planus is unknown, and it is not contagious
. The condition is more common in middle-aged adults and can be triggered by factors such as hepatitis C infection, certain medications, and allergic reactions to dental fillings
. Symptoms of lichen planus vary depending on the affected area and may include
:
- Skin: Shiny, raised, purple-red blotches with fine white lines on the blotches, often found on wrists, arms, back, and ankles.
- Mouth: White patches on the gums, tongue, or the insides of the cheeks, burning and stinging sensations, and sore red patches on the vulva.
- Genital area: White patches on the genitals, painful sores, and scarring.
- Nails: Rough, thinning nails with grooves.
Lichen planus usually resolves without treatment, and the rash may clear within 1 to 2 years
. However, some treatments can help alleviate symptoms, such as antihistamines for itching, steroid tablets or light therapy for skin lesions, and mouthwashes and sprays for mouth symptoms
. It is essential to avoid scratching, apply cool compresses, and maintain good oral hygiene to prevent the condition from worsening
. In some cases, lichen planus may recur once it has cleared up
