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Applies to niacinamide: oral tablet, oral tablet extended release
What are some side effects that I need to call my doctor about right away?WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.
For Healthcare ProfessionalsApplies to niacinamide: compounding powder, oral tablet
CardiovascularCardiovascular side effects are rare and mild and have included tachycardia.
MetabolicMetabolic side effects have included hyperglycemia and hyperuricemia.
Nervous systemNervous system side effects have included headache.
GastrointestinalGastrointestinal side effects have included bloating, flatulence, diarrhea, stomach upset, and nausea.
DermatologicDermatologic side effects have included increased sebaceous gland activity, dry skin, itching, and rash.
Medically reviewed by USARx EDITORIAL TEAM Last updated on 1/3/2022.
Source: Drugs.com Niacinamide (www.drugs.com/cdi/niacinamide.html).
July 15, 2021
July 15, 2021
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