Grapefruit Juice and Some Drugs Don’t Mix

Grapefruit juice and the actual grapefruit can be part of a healthy diet. Grapefruit has vitamin C and potassium—nutrients your body needs to work properly.
But it isn’t good for you when it affects the way your medicines work, especially if you have high blood pressure or arrhythmia (irregular or abnormal heart beat).
This food and drug interaction can be a concern, says Shiew Mei Huang, PhD, of the U.S. Food and Drug Administration. The FDA has required that some prescription and over-the-counter (OTC) drugs taken by mouth include warnings against drinking grapefruit juice or eating grapefruit while taking the drug, Huang says. Read More.