Etiology

Unclear

Evidence for hypersensitivity reaction which may be associated with infectious agents

Predilection

Young adults

Greater in males

Location

Skin and mucous membranes

Clinical Appearance

Skin= target lesion, macules, plaques, bullae

Mucosa=erythema, ulcer, crusted, bleeding lips

Severe form= Stevens-Johnson Syndrome

Explosive onset

Treatment

Identification of causative agent

Topical or systemic corticosteroids

Diagnostic Process

Clinical

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