Drug interactions
Nafcillin + Netupitant-palonosetron
Severity: Moderate
Nafcillin and Netupitant-palonosetron: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Nafcillin is a CYP3A4 inducer that may lower netupitant exposure and weaken antiemetic efficacy. The effect is likely smaller than with rifampin but is relevant during prolonged therapy.
What this interaction means in plain words
Nafcillin and Netupitant-palonosetron can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Nafcillin induces CYP3A4, increasing netupitant metabolism.
What to do
Monitor for breakthrough nausea and vomiting during nafcillin courses. Consider an alternative antiemetic regimen if control is inadequate.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Netupitant-palonosetron
- Apomorphine + Netupitant-palonosetron Contraindicated
- Flibanserin + Netupitant-palonosetron Contraindicated
- Apalutamide + Netupitant-palonosetron Major
- Avapritinib + Netupitant-palonosetron Major
- Carbamazepine + Netupitant-palonosetron Major
- Cobimetinib + Netupitant-palonosetron Major
Frequently asked questions
Can I take Nafcillin with Netupitant-palonosetron?
MediHelp rates the interaction as moderate. Nafcillin and Netupitant-palonosetron can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Nafcillin is a CYP3A4 inducer that may lower netupitant exposure and weaken antiemetic efficacy. The effect is likely smaller than with rifampin but is relevant during prolonged therapy.
How serious is the interaction between Nafcillin and Netupitant-palonosetron?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for breakthrough nausea and vomiting during nafcillin courses. Consider an alternative antiemetic regimen if control is inadequate.
What other medicines interact with Netupitant-palonosetron?
MediHelp also lists interactions of Netupitant-palonosetron with, for example, Apomorphine, Flibanserin, Apalutamide. The full list is on the Netupitant-palonosetron page.
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