How the interaction occurs:
The cause of the interaction is not known. This interaction may be more likely to occur in patients of Chinese descent.
What might happen:
When the two medicines are taken together, you may experience muscle aches, tenderness, and weakness.
What you should do about this interaction:
Contact your healthcare professionals (e.g. doctor or pharmacist) as soon as possible about taking these two medicines together. They may already be aware of this interaction and may be monitoring you for it. If your doctor prescribes these medicines together, report any symptoms of muscle aches, tenderness, weakness, changes in the color of your urine, or flu-like symptoms. Do not start, stop, or change the dosage of any medicine before checking with them first.
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2.Niaspan (niacin) US prescribing information. Abbott Laboratories February, 2013.
3.Lipitor (atorvastatin) US prescribing information. Pfizer Inc. October, 2012.
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