niacin (nicotinic acid) (cont.)
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What happens if I miss a dose?
Take the missed dose as soon as you remember. Be sure to take the missed dose with food if you normally take your niacin dose with a meal or snack.
Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include nausea, dizziness, itching, vomiting, upset stomach, and flushing (warmth, redness, or tingly feeling).
What should I avoid while taking niacin ?
Avoid drinking hot beverages shortly after taking niacin. Hot drinks can worsen niacin's flushing effect (warmth, itching, redness, or tingly feeling under your skin).
Avoid drinking alcohol while taking niacin. Alcohol may increase your risk of liver damage, and can also worsen the flushing effects of niacin.
Avoid taking colestipol (Colestid) or cholestyramine (Locholest, Prevalite, Questran) at the same time you take niacin. If you take either of these other medications, take them at least 4 to 6 hours before or after you take niacin.
Avoid getting up too fast from a sitting or lying position, or you may feel dizzy. Get up slowly and steady yourself to prevent a fall.
What other drugs will affect niacin?
Tell your doctor about all other cholesterol-lowering drugs you are taking with niacin, especially atorvastatin (Lipitor, Caduet), fluvastatin (Lescol), lovastatin (Mevacor, Altoprev, Advicor), pravastatin (Pravachol), or simvastatin (Zocor, Simcor, Vytorin, Juvisync).
Ask a doctor or pharmacist if it is safe for you to use niacin if you are also using any of the following drugs:
This list is not complete and other drugs may interact with niacin. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.
Where can I get more information?
Your pharmacist can provide more information about niacin.
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.
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