Drug interactions
Eletriptan + Netupitant-palonosetron
Severity: Moderate
Eletriptan 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
Serotonin syndrome has been reported with 5-HT3 antagonists and triptans, although the causal link is uncertain. Netupitant, as a moderate CYP3A4 inhibitor, may also increase eletriptan exposure. Eletriptan is a CYP3A4 substrate, and the combination raises concern for vascular and serotonergic effects.
What this interaction means in plain words
Eletriptan 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.
Eletriptan belongs to Central Nervous System; Netupitant-palonosetron belongs to Gastrointestinal Tract.
Why it happens
Additive serotonergic effects plus CYP3A4 inhibition by netupitant increasing eletriptan levels.
What to do
Use the lowest effective eletriptan dose and monitor for serotonin toxicity and raised blood pressure. Consider a triptan that is not CYP3A4-dependent.
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
Other interactions of Eletriptan
- Almotriptan + Eletriptan Contraindicated
- Atazanavir + Eletriptan Contraindicated
- Ceritinib + Eletriptan Contraindicated
- Clarithromycin + Eletriptan Contraindicated
- Cobicistat + Eletriptan Contraindicated
- Conivaptan + Eletriptan Contraindicated
Frequently asked questions
Can I take Eletriptan with Netupitant-palonosetron?
MediHelp rates the interaction as moderate. Eletriptan 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. Serotonin syndrome has been reported with 5-HT3 antagonists and triptans, although the causal link is uncertain. Netupitant, as a moderate CYP3A4 inhibitor, may also increase eletriptan exposure. Eletriptan is a CYP3A4 substrate, and the combination raises concern for vascular and serotonergic effects.
How serious is the interaction between Eletriptan 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: Use the lowest effective eletriptan dose and monitor for serotonin toxicity and raised blood pressure. Consider a triptan that is not CYP3A4-dependent.
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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