“…7 In Central Europe, pellagra occurs only as a result of marked eating disorders, extreme malnutrition, alcohol abuse, malabsorption, and long-term drug use (isonicotinic acid hydrazide, broad-spectrum antimicrobial therapy, hydantoins and other anticonvulsants, 5-fluorouracil). 8 Abortive pellagra, known as pellagroid, is usually present in these cases. Pellagroid symptoms may also occur with intestinal carcinoids.…”