Erythema multiforme

Erythema multiforme in a 28 year old female patient

In the mayority of patients it constitutes a cutaneous reaction to various precipitating agents: drug allergies such as salicylates, barbiturates, sulfonamides, bromides, penicillin, sulfas, etc. It is associated to bacterial, viral, fungal infections and those of collagen.  Immunizations.  Visceral cancer.  Pregnancy.  Idiopathic origin.

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