Statin pills and a warning sign

Q. I’ve been on simvastatin (80 mg) for several years. I’ve had serious problems with leg cramps and now my tendons are affected from my toes to my knees. Could the medication be responsible?

A. The FDA has just issued a warning about simvastatin (Zocor). The agency is concerned about muscle damage linked to high doses (80 mg) of this cholesterol-lowering medicine. Doctors are not supposed to prescribe this dose to new patients. Only people who have not experienced muscle problems after taking it for a year should continue on the 80 mg dose.

Even lower doses may cause simvastatin side effects. One reader shared his story:

“I was started on simvastatin 20 mg, and by the third week I was in a lot of pain. My triceps and biceps hurt the worst, as though someone was ripping the muscles apart. I also had pain in my hips, legs and shoulders.”I stopped the simvastatin, but my blood tests showed elevated CPK (muscle breakdown) and decreased GFR (kidney functioning). Six months later, the labs show my GFR is normal, but my CPK is still mildly elevated. When I try to exercise, my muscles get sore quickly and the soreness lasts longer.”

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  1. Maria
    Brownsburg
    Reply

    My husband has been 20 mg for about a month now and hasn’t felt good since shortly after he started taking it. Same symptoms as below, ach, pain muscle soreness and flue like symptoms. Stopped taking it now and hope he feels better soon.

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