Pelagra. Presentación de caso interesante

a 41 year-old male patient with a history of alcoholism attended to the consultation presenting skin stains in arms, hands, superior portion of thorax, neck, external genitals, thighs and feet. the skin stains augmented with sun exposure. the patient also had abundant liquid diarrheas. pictures presented the clinical alterations of a pellagra case were shown. nicotinic acid and vitamins were the treatment followed; the patient improved and was discharged.