Question

which of the following conditions is a contraindication of niacin? arthritis heart disease peptic ulcer disease constipation

Explanation:

Niacin can irritate the gastrointestinal tract. Peptic ulcer disease involves open sores in the stomach or small - intestine lining. Niacin may worsen peptic ulcer conditions due to its gastrointestinal effects. Arthritis, heart disease, and constipation are not direct contraindications of niacin.

Answer:

C. Peptic ulcer disease