Other Pemphigus types

Pemphigus erythematosus is a variant that just affects the face and overlaps with lupus erythematosus. It is also known as Senear-Usher syndrome.

Fogo selvagem (Portuguese for “wild fire”; also known as endemic pemphigus and Brazilian pemphigus) which may be triggered by exposure to one or more environmental antigens (b).

Drug-Related Pemphigus

Both pemphigus vulgaris and pemphigus foliaceus can be either induced or triggered (i.e., latent disease unmasked) by certain drugs. (Pemphigus that continues after a patient stops using a drug is referred to as triggered, whereas lesions that clear soon after withdrawal are referred to as induced). Although drug-related pemphigus is uncommon, its possibility must be excluded in all patients with newly diagnosed disease. The clinical, histological and immunofluorescence abnormalities of drug-induced pemphigus are similar to those of the idiopathic variety. For a list of drugs please see following a table with known implicated agents.