Vitamin B3 deficit

Pellagra is a disease of deficiency of niacin (vitamin B3) which causes problems in the skin and the digestive and nervous systems.

Update Date: 8/31/2011

Updated by: A.D.A.M. Editorial Team: David Zieve, MD, MHA, and David R. Eltz. Previously reviewed by Alison Evert, MS, RD, CDE, Nutritionist, University of Washington Medical Center Diabetes Care Center, Seattle, Washington (2/14/2011).

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