Drug Interaction Report

CarBAMazepine may significantly reduce the blood levels of repotrectinib, which may make the medication less effective in treating your condition. Talk to your doctor if you have any questions or concerns. Your doctor may be able to prescribe alternatives that do not interact. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Consumption of grapefruit, grapefruit juice, and supplements that contain grapefruit should be avoided during treatment with repotrectinib as they may increase the blood levels of repotrectinib. This may increase the risk and/or severity of side effects such as dizziness, tiredness, muscle pain, nausea, change in your sense of taste, feeling numbness or tingling in your arms or legs, constipation, trouble with balance, shortness of breath, problems with thinking such as forgetfulness or confusion and hallucinations, as well as more serious side effects such severe or life-threatening inflammation of the lungs and liver injury. Talk to your doctor if you have any questions or concerns. Your doctor may be able to provide alternatives that do not interact. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

You should preferably avoid the regular consumption of grapefruits and grapefruit juice while taking carBAMazepine. This can cause carBAMazepine levels to increase. You should report signs of carBAMazepine side effects such as nausea, visual disturbances, dizziness, or muscle weakness to your doctor. You should avoid or limit the use of alcohol while being treated with carBAMazepine. Alcohol can increase the nervous system side effects of carBAMazepine such as dizziness, drowsiness, and difficulty concentrating. Some people may also experience impairment in thinking and judgment. Talk to your doctor or pharmacist if you have any questions or concerns.