A case of haemodialysis-associated pseudoporphyria successfully treated with oral N-acetylcysteine.

We report a 33-year-old woman with haemodialysis-associated pseudoporphyria successfully responding to treatment with oral N-acetylcysteine. We briefly review the current literature on bullous skin disorders in end-stage renal disease, and compare and contrast the pathogenesis of pseudoporphyria and porphyria cutanea tarda in this context. We also discuss the antioxidant properties and clinical applications of N-acetylcysteine, including the treatment of haemodialysis-associated pseudoporphyria.