vasculitis . Thiazides may induce phototoxic dermatitis . In addition, a rare, distinct entity with clinical and laboratory features indistinguishable from those of subacute cutaneous lupus erythematosus has been associated with HCTZ. Postmarketing reports of dermatologic reactions have included Stevens-Johnson syndrome and exfoliative dermatitis , including toxic epidermal necrolysis . A 67-year-old