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Pellagra
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 parts of the world where people have a lot of corn in their diet. It is characterized by scaly skin sores, diarrhea, inflamed mucous membranes, mental confusion, and delusions. It may develop after gastrointestinal diseases or alcoholism.
Alternative Names
Vitamin B3 deficiency; Deficiency - niacin
Review Date:
10/23/2004
Reviewed By: Kevin Pho, M.D., Attending, Internal Medicine, Boston VA Medical Center, Boston, MA. Review provided by VeriMed Healthcare Network.
Reviewed By: Kevin Pho, M.D., Attending, Internal Medicine, Boston VA Medical Center, Boston, MA. Review provided by VeriMed Healthcare Network.
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