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Medical Term:


Pronunciation: pe-lag'ra, pe-la'gra


An affection characterized by gastrointestinal disturbances, erythema (particularly of exposed areas) followed by desquamation, and by nervous and mental disorders; may occur because of a poor diet, alcoholism, or some other disease impairing nutrition; commonly seen when corn (maize) is a main nutrient in the diet, resulting in a deficiency of niacin.

Synonym(s): Alpine scurvy, maidism, mal de la rosa, mal rosso, mayidism, psychoneurosis maidica, Saint Ignatius itch

[It. pelle, skin, + agra, rough]

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.