Does Pexidartinib Hydrochloride Interact with Grapefruit Juice?
Pexidartinib Hydrochloride and Grapefruit Juice have a moderate drug interaction according to U.S. FDA drug labeling data. Moderate or strong CYP3A inhibitor that may increase pexidartinib concentrations, increasing incidence and severity of adverse reactions. Reduce TURALIO dosage if concomitant use cannot be avoided. The mechanism involves cyp3a inhibition. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This information is based on official FDA drug labeling sourced from OpenFDA and the NIH National Library of Medicine.
- Severity
- Moderate
- Management
- Monitor for effects
- Data Source
- U.S. FDA via OpenFDA
How This Interaction Works
The interaction between Pexidartinib Hydrochloride and Grapefruit Juice occurs because cyp3a inhibition. Clinically, this means moderate or strong cyp3a inhibitor that may increase pexidartinib concentrations, increasing incidence and severity of adverse reactions. reduce turalio dosage if concomitant use cannot be avoided. This is classified as a moderate interaction. While it may not require stopping either medication, your healthcare provider should be aware you are taking both so they can monitor for potential effects and adjust treatment if necessary.
What To Tell Your Doctor or Pharmacist
If you are taking Pexidartinib Hydrochloride and your doctor is considering prescribing Grapefruit Juice (or vice versa), make sure to:
- Inform your doctor and pharmacist of all current medications, including over-the-counter drugs and supplements
- Ask whether the benefits of combining these medications outweigh the risks for your specific situation
- Ask what symptoms to watch for that would indicate the interaction is causing problems
- Ask whether any dosage adjustments are needed
- Never stop or change either medication without first consulting your healthcare provider