Clinical manifestation

Transient, superficial vesicles and bullae, transforming into crusted or scaly eroded plaques on an erythematous base, mainly in seborrhoic areas, with little or no involvement of mucous membranes; pemphigus erythematosus (Senear-Usher) variant: features of cutaneous lupus erythematosus and pemphigus foliaceus; red scaly plaques on the bridge of the nose and malar area; exfoliative erythroderma with extensive involvement; pemphigus herpetiformis variant: pruritic grouped papules and vesicles, suggestive of dermatitis herpetiformis; occasional oral erosions; drug-induced variant: may occur with penicillamine or cap-topril therapy, usually after at least 2 months of use; relatively mild signs and symptoms

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