Drug interactions
Grapefruit + Netupitant-palonosetron
Severity: Minor
Grapefruit and Netupitant-palonosetron: minor 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
Grapefruit inhibits intestinal CYP3A4 and may raise netupitant exposure. The effect is likely modest and the labeling does not require an adjustment.
What this interaction means in plain words
Grapefruit and Netupitant-palonosetron have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Inhibition of intestinal CYP3A4 by grapefruit furanocoumarins.
What to do
Advise avoiding large amounts of grapefruit around the dosing period; no dose change is needed.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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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 Grapefruit with Netupitant-palonosetron?
MediHelp rates the interaction as minor. Grapefruit and Netupitant-palonosetron have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Grapefruit inhibits intestinal CYP3A4 and may raise netupitant exposure. The effect is likely modest and the labeling does not require an adjustment.
How serious is the interaction between Grapefruit and Netupitant-palonosetron?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise avoiding large amounts of grapefruit around the dosing period; no dose change is needed.
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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