Skip directly to search Skip directly to A to Z list Skip directly to navigation Skip directly to page options Skip directly to site content


This patient was suffering from pellagra, due to a niacin, or B3 deficiency. Dermatitis and swollen tongue are common characteristics. Pellagra is a disease caused by a dietary deficiency, or failure of the body to absorb niacin, or the amino acid tryptophan. Pellagra is characterized by scaly skin sores, diarrhea, mucosal changes, and mental symptoms.
High Resolution: Click here for hi-resolution image (6.45 MB)
Content Providers(s):CDC
Creation Date:1970
Photo Credit:
CDC Organization
Skip Navigation Links.

Skip Navigation Links.
Copyright Restrictions:None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.