niacin extended-release - oral, Niaspan (cont.)

DRUG INTERACTIONS: See also the How to Use section.Your healthcare professionals (e.g., doctor or pharmacist) may already be aware of any possible drug interactions and may be monitoring you for it. Do not start, stop or change the dosage of any medicine before checking with them first.Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: "blood thinners" (e.g., warfarin), drugs that affect your blood pressure (e.g., calcium channel blockers such as diltiazem, alpha blockers such as prazosin), other drugs that cause flushing (e.g., nitrates), vitamins/dietary supplements/products that also contain niacin or nicotinamide.Serious muscle injury (e.g., myopathy, rhabdomyolysis) may infrequently occur if the following drugs are combined with niacin (1 gram per day or more): fibrates (e.g., gemfibrozil, fenofibrate), "statins" (e.g., lovastatin, atorvastatin).Seek immediate medical attention if you experience any muscle pain, weakness or tenderness.Limit alcoholic beverages. Alcohol can increase the side effects of this medication.This product can affect the results of certain lab tests (e.g., urine or blood catecholamines, copper-based urine glucose tests). Make sure laboratory personnel and all your doctors know you use this drug.This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.

OVERDOSE: If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly.

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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.

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