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Pellagra
Alternate Names : Deficiency - Niacin, Vitamin Deficiency - Niacin
Definition
Pellagra is a disease that occurs when a person does not get enough niacin (one of the B complex vitamins) or tryptophan (an amino acid) in their diet. It can also occur if the body fails to absorb these nutrients.
The disease is common in certain parts of the world (in people consuming large quantities of corn). It is characterized by scaly skin sores, diarrhea, inflamed mucous membranes, and mental confusion and delusions. It may develop after gastrointestinal diseases or alcoholism.
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Review Date : 4/26/2003
Reviewed By : David Webner, M.D., Department of Family Medicine, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network.
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