Nicotinic acid tablets are as effective as nicotinamide tablets. Nicotinamide is a form of nicotinic acid and a metabolite of nicotinic acid. Nicotinamide has no obvious vasodilating effect, and other effects are similar. Nicotinamide generally does not cause allergic reactions. If nicotinic acid is supplemented too much, skin may become red, swollen and itchy. If the dose is greater than 100mg, nicotinamide is still recommended.

The difference between nicotinic acid tablets and nicotinamide tablets;

Niacin amine tablets: used to prevent and treat niacin deficiency, such as pellagra.

Adverse reaction: 1. Common skin flushing and itching. 2. Occasionally dizziness, nausea, loss of appetite, etc. , but can gradually adapt, symptoms disappear.

Nicotinic acid tablets: used to prevent and treat niacin deficiency such as pellagra, dermatitis and glossitis.

Adverse reactions:

1. Under the condition of normal renal function, this product has almost no toxic reaction. The general adverse reactions of this product are: feeling warm and red skin, especially vasodilation reactions such as face and neck and headache;

2. Large doses of drugs can cause diarrhea, dizziness, fatigue, dry skin, itching, dry eyes, nausea, vomiting, stomachache, hyperglycemia, hyperuricemia, arrhythmia and hepatotoxic reactions;

3. Generally, after taking nicotinic acid for 2 weeks, vasodilation and gastrointestinal discomfort can be gradually adapted, and the above reactions can be avoided by gradually increasing the dose. If severe skin flushing, itching and gastrointestinal discomfort occur, the dosage should be reduced.