A Case Report: Clinical Efficacy of Combination Treatment of Dexamethasone and Azathioprine in Recurrent Erythema Multiforme.

Recurrent erythema multiforme (REM) may have frequent episodes over a period of several years and is considered to be a hypersensitivity reaction associated with infection or medication. REM is a mucocutaneous disorder which is characterized by targetoid lesions. Most of the cases are caused by herpes simplex virus infection.