* High blood pressure or low blood pressure: Coenzyme Q-10 might lower blood pressure. It can increase the effects of medications used to lower blood pressure. Discuss your use of coenzyme Q-10 with your healthcare provider if you have blood pressure problems.
*Surgery: Coenzyme Q-10 might interfere with blood pressure control during and after surgery. Stop using coenzyme Q-10 at least two weeks before a scheduled surgery.
* Coenzyme Q10 can potentially interfere with coumadin (Warfarin) and other blood-thinning medications.
==The benefits and uses of Coenzyme Q10 are==