How does grapefruit juice affect medicines?
Grapefruit juice contains chemicals that can cause problems with enzymes that break down certain types of medicines in your intestines. When a medicine does not get broken down properly in the intestines, you can have too much medicine in your blood. Having too much medicine in your blood increases your chances of having side effects.
Which medicines are affected by grapefruit juice?
Most medicines are not affected by grapefruit juice. And not all medicines for the health problems listed below are affected by grapefruit juice. But more than 50 medicines are affected by grapefruit juice. These can include medicines for:
Abnormal heart rhythm.
Heart attack or heart disease.
High blood pressure.
Is grapefruit juice safe for you?
If you regularly drink grapefruit juice, ask your doctor or pharmacist if any of your medicines are affected by grapefruit juice. If your medicine is making you feel sick or is causing unusual or uncomfortable side effects, talk to your doctor.