Dermatitis herpetiformis associated with relapsing polychondritis.

A 35-year-old woman developed typical relapsing polychondritis within a year following the onset of dermatitis herpetiformis. This occurred during a reduction in the dapsone dose regimen. To our knowledge, the coexistence of these two conditions in a single patient has not yet been reported in the literature. Both the parallel course and the good response to dapsone suggest a pathogenic link between these two diseases.