Pellagra

Pellagra is a disease caused by a deficiency of niacin (vitamin B3) or of its precursor in the diet, which mainly affects the skin, the digestive system, and the nervous system.

Common symptoms: Lesions on sun-exposed skin, diarrhea, changes in mood or memory, and reddening or peeling of the skin.

Common causes: It is related to a diet poor in this vitamin or to conditions that hinder its absorption.

Which specialist treats it? Because of its nutritional and skin-related nature, pellagra can be evaluated jointly by the nutritionist, the dermatologist, and the gastroenterologist. If you have skin lesions accompanied by digestive symptoms, consulting these professionals helps to guide the study.