Grapefruit and its close relatives can increase the blood levels of certain drugs and cause serious side effects. Affected drugs include some medications for blood pressure and heart rhythm, among others. Grapefruit is a delicious citrus fruit with many health benefits. However, it can interact with some common medications, altering their effects on your body. If you’re curious about the grapefruit warning on many medicines, this article will help you understand why it’s there and what your options are. Here’s a closer look at 31 common drugs that may have dangerous interactions with grapefruit, as well as some alternatives. Note:...