What fruits or foods should be avoided while taking bedaquiline?

Bedaquiline (Bedaquiline) is an oral anti-multidrug-resistant tuberculosis drug. Although it does not have extremely strict dietary restrictions like some chemotherapy drugs, during the period of taking it, patients still need to be aware that certain fruits may affect drug metabolism and even aggravate potential toxicity. In particular, since bedaquiline is mainly metabolized by the cytochrome P450 enzyme system (especially CYP3A4) in the liver, attention should be paid to any fruits that interfere with the activity of this enzyme system.

The most taboo fruits are grapefruit (grapefruit) and its related varieties (such as grapefruit, pomelo, etc.). Grapefruit contains furanocoumarins, which can significantly inhibit the activity of CYP3A4, thereby reducing the metabolism rate of bedaquiline and causing an increase in blood concentration. Excessively high blood levels of bedaquiline may cause cardiotoxicity such as QT interval prolongation and arrhythmia. Therefore, you should completely avoid ingesting grapefruit and its products, including grapefruit juice, grapefruit flavored drinks, etc. while taking this medication.

In addition, pomegranate (pomegranate) and certain citrus fruits containing limonene (such as Seville bitter orange) are also suspected to have similar enzyme inhibitory effects. Although the evidence is not yet sufficient, it is recommended to be cautious or avoid them completely until the safety is not completely clear. At the same time, if high-potassium fruits such as bananas and papayas are combined with other drugs that can affect the electrolyte balance of the heart, the diet should also be arranged reasonably under the guidance of a doctor to prevent aggravating the risk of cardiotoxicity.

While taking bedaquiline, it is more important to maintain a good diet. You should choose foods that are light, easy to digest, and rich in protein and vitamins, such as fish, lean meat, beans, green leafy vegetables, etc., which can help enhance immunity and liver detoxification function. Drink enough water and avoid drinking alcohol or eating fruits or foods containing alcohol to prevent liver function from being affected.

Reference materials:https://en.wikipedia.org/wiki/Bedaquiline