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(niacin) Tablets,USP 500 mg
Niacin or nicotinic acid, a water-soluble B-complex vitamin and antihyperlipidemic agent, is 3-pyridinecarboxylic acid. It is a white, crystalline powder, sparingly soluble in water. It has the following structural formula:
MW 123.11 C6H5NO2
Each NIACOR® (niacin tablets) Tablet, for oral administration, contains 500 mg of nicotinic acid. In addition, each tablet contains the following inactive ingredients: croscarmellose sodium, hydrogenated vegetable oil, magnesium stearate and microcrystalline cellulose.
What are the possible side effects of niacin ?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have any of these serious side effects:
- feeling like you might pass out;
- fast, pounding, or uneven heart beats;
- feeling short of breath;
- jaundice (yellowing of your skin or eyes); or
- muscle pain, tenderness, or weakness with fever or flu symptoms and dark colored urine.
If you are diabetic, tell your doctor about any changes in...
What are the precautions when taking niacin tablets (Niacor)?
Before taking niacin, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: very low blood pressure, alcohol use, bleeding problems (such as low platelets), diabetes, gallbladder disease, glaucoma, gout, heart disease (such as recent heart attack, unstable angina), kidney disease, liver disease/increase in liver enzymes, untreated mineral imbalance (low phosphate levels), history of stomach/intestinal ulcers, underactive thyroid (hypothyroidism).
This drug may make you dizzy. Do not drive, use...
Last reviewed on RxList: 10/27/2008
This monograph has been modified to include the generic and brand name in many instances.
Additional Niacor Information
Niacor - User Reviews
Niacor User Reviews
Now you can gain knowledge and insight about a drug treatment with Patient Discussions.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Tips to keep it under control.