By the way, doctor: Does grapefruit juice affect aspirin?
Although most medications aren't affected, some of the most commonly prescribed ones are. These include several of the cholesterol-lowering statin drugs, several calcium-channel blockers, the blood pressure drug losartan (Cozaar), several sedatives and sleeping pills, and drugs for erectile dysfunction, such as sildenafil (Viagra). To make things more complicated, the effects of grapefruit juice on the levels of a particular drug can be quite variable from one person to the next.
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