Niacin -tryptophan) deficiency
Nicotinamide deficiency
Pellagra alcoholic)
A disease due to deficiency of niacin, a b-complex vitamin, or its precursor tryptophan. It is characterized by scaly dermatitis which is often associated with diarrhea and dementia the three d’s).
A disease due to deficiency of niacin, a b-complex vitamin, or its precursor tryptophan. It is characterized by scaly dermatitis which is often associated with diarrhea and dementia (the three d’s).