What is it?
Coenzyme Q10 is a dietary supplement that has strong antioxidant effects in the body. It is used to treat heart and lung disease, high blood pressure, and muscle problems. It may also be used to treat male infertility, migraine headaches, and Parkinson's disease.
Other names for coenzyme Q10 include: CoQ10, ubiquinone, and coenzyme Q.
Ask your doctor, nurse, or pharmacist if you need more information about this medicine or if any information in this leaflet concerns you.
Tell your doctor if you
- are taking medicine or are allergic to any medicine (prescription or over-the-counter (OTC) or dietary supplement)
- are pregnant or plan to become pregnant while using this medicine
- are breastfeeding
- have diabetes or liver disease
- have any other health problems, such as high blood pressure or heart or blood vessel disease
Talk with your caregiver about how much coenzyme Q10 you should take. The amount depends on the strength of the medicine and the reason you are taking coenzyme Q10. If you are using this medicine without instructions from your caregiver, follow the directions on the label. Do not take more coenzyme Q10 or take it more often than the directions tell you to.
Coenzyme Q10 works best when taken with food.
To store this medicine:
Keep all medicine locked up and away from children. Store medicine away from heat and direct light. Do not store your medicine in the bathroom, near the kitchen sink, or in other damp places. Heat or moisture may cause the medicine to break down and not work the way it should work. Throw away medicine that is out of date or that you do not need. Never share your medicine with others.
Drug and Food Interactions:
Do not take coenzyme Q10 without talking to your doctor first if you are taking:
- Blood thinning medicine (warfarin (Coumadin(R))
- Before taking coenzyme Q10, tell your doctor if you are pregnant or breastfeeding.
- Do not take coenzyme Q10 if you have diabetes.
Call your doctor right away if you have any of these side effects:
- Allergic reaction: Itching or hives, swelling in your face or hand, swelling or tingling in your mouth or throat, chest tightness, trouble breathing, or rash.
Other Side Effects:
You may have the following side effects, but this medicine may also cause other side effects. Tell your doctor if you have side effects that you think are caused by this medicine.
- Diarrhea, nausea, or heartburn
- Dizziness, headache, irritability, or loss of appetite
- Mild skin rash with itching
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Last Updated: 7/4/2017