Drug Interaction Report

Pexidartinib may reduce the blood levels of erdafitinib, 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, or you may need a dose adjustment or more frequent monitoring to safely use both medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medication without first talking to your doctor.

You may experience reduced absorption of pexidartinib in the presence of food. Pexidartinib should be taken on an empty stomach at least 1 hour before or 2 hours after food. This will make it easier for your body to absorb the medication. Also, while taking pexidartinib, you should avoid grapefruits and grapefruit juice. Grapefruit and grapefruit juice can raise the levels of pexidartinib in your body and lead to potentially dangerous adverse effects. Do not increase or decrease the amount of grapefruit products in your diet without first talking to your doctor. 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.

The recommended maximum number of medicines in the 'multikinase inhibitors' category to be taken concurrently is usually one. Your list includes two medicines belonging to the 'multikinase inhibitors' category:

• erdafitinib
• Turalio (pexidartinib)

Note: In certain circumstances, the benefits of taking this combination of drugs may outweigh any risks. Always consult your healthcare provider before making changes to your medications or dosage.