Grapefruit juice provides many nutrients, such as vitamin C and lycopene. But chemicals in grapefruit interfere with the enzymes that break down (metabolize) certain drugs in your digestive system. This can result in excessively high levels of these drugs in your blood and an increased risk of serious side effects.

The exact chemicals in grapefruit juice that cause this interaction aren't known. But these chemicals are present in the pulp and peel of grapefruit as well as in the juice. For this reason, any grapefruit product 鈥?including dietary supplements that contain grapefruit bioflavonoids 鈥?can interact with certain medications. If you avoid grapefruit, you may also want to avoid tangelos, a hybrid grapefruit, and Seville oranges, a type of bitter orange often used to make marmalade and compotes. They may have a similar effect. yes Grapefruit juice is probably OK.

However, you should not have mixed it with half a bottle of Vodka. YES...They DO NOT mix.... Call your pharmacy. It should not "kill" you BUT... you should not take any medication with grapefruit juice, something like the grapefruit juice makes the medication desolve faster or something to that affect. Call your pharmacy or any pharmacy in your area and ask.. they will tell you to not take any meds with grapefruit juice. You have to be extremely careful when drinking grapefruit juice while on prescription medication! The reason is that there is a naturally occurring compound in grapefruit juice which will cause the dosage of medication you are taking to act like it has been TRIPLED in your body!