Pellagra (Vitamin B3 deficiency, Deficiency

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Pellagra

Alternate Names : Vitamin B3 deficiency, 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).

Overview, Causes, & Risk Factors

Pellagra is caused by having too little niacin or tryptophan in the diet. It can also occur if the body fails to absorb these nutrients. It may develop after gastrointestinal diseases or with alcoholism.

The disease is common in parts of the world where people have a lot of corn in their diet.

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Vitamin B3 deficit

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Pellagra : Definition
Pellagra : Overview, Causes, & Risk Factors
Pellagra : Symptoms & Signs
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Vitamin B3 deficit

Review Date : 11/16/2008
Reviewed By : Linda Vorvick, MD, Family Physician, Seattle Site Coordinator, Lecturer, Pathophysiology, MEDEX Northwest Division of Physician Assistant Studies, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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