|Lichen planus is a disease in which there is an itchy rash on the skin or in the mouth. The exact cause is not known, it is said to be due to an allergic or immune reaction.|
|It may be associated with exposure to Chemicals, Dyes or some medications. Risk factors also include Hepatitis C. Uncommon in children.|
|The lesions are Purplish, Itchy, flat topped papule on flexor aspects of forearms, trunk and extensor aspects of legs. Lesions have distinct, sharp borders.|
|Mouth lesion is: Tender or painful, Located on the sides of the tongue or the inside of the cheek. May be on the gums.|
|Other symptoms include: Dry mouth, Hair Loss, Metallic taste in the mouth, Ridges in the nails.
Treatment: Topical or Oral corticosteroids. Immune suppressing agents like cyclosporine in severe cases.