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Nicotinic Acid and Alcohol/Food Interactions

There are 2 alcohol/food/lifestyle interactions with Nicotinic Acid (niacin).


niacin Alcohol (Ethanol)

Moderate Drug Interaction

Ask your doctor before using niacin together with ethanol. You should avoid drinking alcohol, it can increase some of the side effects of niacin. This can cause nausea, dizziness, itching, vomiting, upset stomach, and flushing (warmth, redness, or tingly feeling under your skin). Furthermore, consumption of large amounts of alcohol is associated with elevated cholesterol and triglycerides. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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niacin Nicotine

Minor Drug Interaction

Information for this minor interaction is available on the professional version.

Nicotinic Acid drug interactions

There are 102 drug interactions with Nicotinic Acid (niacin).

Nicotinic Acid disease interactions

There are 6 disease interactions with Nicotinic Acid (niacin) which include:

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.