Drug Interaction Report

Larotrectinib may increase the blood levels and effects of vilazodone. Talk to your doctor if you have any questions or concerns. Your doctor may be able to prescribe alternatives that do not interact, or you may need a dose adjustment or more frequent monitoring to safely use both medications. Contact your doctor if your condition changes or you experience increased side effects during treatment. 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.

Do not drink alcohol while you are taking vilazodone. It can increase some of the side effects including dizziness, drowsiness, and difficulty concentrating. Food significantly increases the absorption of vilazodone. You should take vilazodone with a meal, preferably at the same time each day. Taking it on an empty stomach may lead to inadequate blood levels and reduced effectiveness of the medication. Talk to your doctor or pharmacist if you have any questions or concerns.

Grapefruit juice can increase the blood levels of larotrectinib. This may increase the risk and/or severity of side effects such as dizziness, confusion, coordination problems, memory problems, liver problems, and tingling, numbness or burning in the hands and feet. You should avoid the consumption of grapefruit and grapefruit juice during treatment with larotrectinib. Talk to your doctor or pharmacist if you have questions on this or other medications you are prescribed. 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.