Grapefruit Juice and Medicines - Topic Overview
What can happen if grapefruit juice affects your medicine?
The problems you may have
from taking medicines that are affected by grapefruit juice depend on the kind
of medicine you are taking and how your body reacts. Some
problems are mild, while others are more serious. In general, older people are
more likely than younger people to have serious problems.
if you are taking a medicine for high blood pressure, you may develop
dangerously low blood pressure. If you are taking a medicine for high
cholesterol, you may develop increased side
For more specific information on the kinds of
health problems you could have if you drink grapefruit juice while taking a
certain medicine, talk to your doctor or pharmacist.
How can you prevent problems?
You can take steps to
avoid problems with grapefruit juice and your medicine.
- Before you take any medicine, ask your doctor
or pharmacist if you can safely drink grapefruit juice.
- Read the
labels on foods and natural health products to make sure they do not contain
grapefruit, grapefruit juice, or grapefruit extract. Seville oranges (which are sometimes used in marmalade but not in orange
juice), pomelos, and tangelos may also
- Always read the
warning labels for any medicine you are taking. If you have questions, ask your
doctor or pharmacist.
- Tell your doctor if you are having unusual or
uncomfortable side effects from your medicine.
- Tell your doctor and other health professionals about all the
medicines you are taking. This includes herbs, vitamins, homeopathic products, supplements, and over-the-counter medicines.