pellagras

Noun

• a disease caused by deficiency of niacin or tryptophan (or by a defect in the metabolic conversion of tryptophan to niacin); characterized by gastrointestinal disturbances and erythema and nervous or mental disorders; may be caused by malnutrition or alcoholism or other nutritional impairments
• plural of pellagra

Synonyms

Alpine scurvy, maidism, mal de la rosa, mal rosso, mayidism, pellagra, Saint Ignatius' itch