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Volume 7, Issue 7

Cholesterol Medication, Muscle Pain, and Coenzyme Q10
Contributed by: Matt Reed, Pharm.D. Candidate
                      KU School of Pharmacy

February 2009

High cholesterol is well known risk factor for developing cardiovascular diseases such as arthrosclerosis, heart attack or stroke.  Frequently prescribed medications used to lower cholesterol are the HMG Co-A reductase inhibitors, more commonly called statins.  Statins are most effective at lowering LDL (bad cholesterol), but have less effect on HDL (good cholesterol) and triglycerides.  These medications work by inhibiting one of the early steps of cholesterol production.  Some examples of statins are simvastatin, lovastatin, pravastatin, Lipitor, and Crestor.

Statin therapy is generally well tolerated, but an unfortunate side effect that may occur is muscle cramping or muscle pain.  Although these side effects are rare, the risk of developing them increases in people receiving higher doses of statins, people with decreased kidney function, and with increasing age.

Coenzyme Q10 is a vitamin-like substance found in the body that assists with energy production.  While statins are good at lowering LDL, they have an untoward effect of decreasing the production of coenzyme Q10.  It is estimated that statins can reduce coenzyme Q10 by around 40%.  One theory is that the reduction in these levels is a

contributing factor to the development of muscle pain and cramps.

Coenzyme Q10 supplementation may be a possible treatment option for the muscle pain and cramps people may experience while on statin therapy.  Studies aimed at showing the benefits of supplementation have shown mixed results.  However, the benefits of using coenzyme Q10 seem to outweigh the risks, as this supplement does not have negative effects on cholesterol levels.

If you are a person taking a cholesterol-lowering medication commonly referred to as statins and you experience the unpleasant side effect of muscle pain, coenzyme Q10 supplementation may be something to look into.  Be sure to ask your physician or pharmacist if it is right for you.

Co-edited by:
Sarah Hare, Pharm.D.
Kristian Olsen, Pharm.D.

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