Term Name:	pellagra
Synonyms:	Niacin deficiency, Niacin-tryptophan deficiency
Definition:	A nutritional deficiency disease that is characterized by deficiency of niacin (vitamin B3), has_symptom gastrointestinal disturbance, anorexia, diarrhea, dementia, hallucinations, depression, psychosis, and/or non-specific skin changes, and has_material_basis_in deficiency of niacin, often from inadequate diet, malabsorption, or medication side effects.
Ontology:	Human Disease [DOID:8457]   ( DOID:8457 )