Definition:
Lichen planus is an inflammatory illness affecting the skin and oral mucosa.
Diagnosis:
Lichen planus can be diagnosed by undergoing biopsy, since the symptoms of the disease resemble other skin illnesses.
Treatment:
Lichen planus can be treated by the use of oral and topical steroids, hydroxychloroquine, tacroluimus and oral retinoids. The disease may set in a dormant state after a series of treatment.
Symptoms and Signs:
The disease usually exhibits pruritic, planar, polygonal, purple papules commonly found in the wrist and ankle. The rash also heals with bluish black discoloration that stays on the skin for a long time.
Causes:
The exact cause of Lichen planus remains unknown, but there are cases involving allergic reactions to drugs for hypertension, arthritis and heart disease. It has also been reported to be a complication of hepatitis C infection.
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