A patient with an II‐year history of a generalized blistering eruption is described. The eruption was completely controlled within I week of taking sulphapyridine and recurred within 4 days of with‐drawal of this drug. On account of these observations a diagnosis of dermatitis herpetiformis was made. Histological, immunological (and small intestinal) studies now show that this patient had pemphigus.
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Seah et al. (1973) studied this question.
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