Pellagra is a chronic wasting disorder characterized by 3 clinical distinct symptoms; dermatitis; dementia; and diarrhea. It results from a marked cellular deficiency of water-soluble vitamin B3, also called niacin. Dermatitis begins as an erythema and shows bilateral symmetrical eruption at cutaneous sites of solar exposure. Herein we report 2 cases of pellagra in chronic alcoholics.
Alcoholics* ; Dementia ; Dermatitis ; Diarrhea ; Erythema ; Humans ; Niacin ; Niacinamide ; Pellagra*