Erythema Multiforme

Alternate Name:

Test:

Biopsy histology (AB or N)

Sign:

Papular rash, blistering rash, target lesions, itch

Dd:

Unloads, drug eruptions, toxic epidermal riecroly-sis, secondary syphilis, dermatitis herpetiformis, pemphigoid, pemphigus

Phys:

Frequently follows Herpes simplex infection or sulfonamide drug use. May progress to Ste­vens-Johnson syn.