Drug interactions
Netupitant-palonosetron + Rizatriptan
Severity: Moderate
Netupitant-palonosetron and Rizatriptan: 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 when 5-HT3 antagonists such as palonosetron are used with triptans. The combination may produce agitation, tremor, sweating, hyperreflexia and fever. Occurrence is uncommon and generally mild to moderate.
What this interaction means in plain words
Netupitant-palonosetron and Rizatriptan 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.
Netupitant-palonosetron belongs to Gastrointestinal Tract; Rizatriptan belongs to Central Nervous System.
Why it happens
Possible additive serotonergic activity (5-HT1B/1D agonism with 5-HT3 antagonism); the mechanism is not fully established.
What to do
Counsel the patient on symptoms of serotonin syndrome and monitor after administration of either drug. Discontinue and treat supportively if symptoms appear.
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 Rizatriptan
- Almotriptan + Rizatriptan Contraindicated
- Dihydroergotamine intranasal + Rizatriptan Contraindicated
- Dihydroergotamine + Rizatriptan Contraindicated
- Eletriptan + Rizatriptan Contraindicated
- Ergoloid mesylates + Rizatriptan Contraindicated
- Ergotamine + Rizatriptan Contraindicated
Frequently asked questions
Can I take Netupitant-palonosetron with Rizatriptan?
MediHelp rates the interaction as moderate. Netupitant-palonosetron and Rizatriptan 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 when 5-HT3 antagonists such as palonosetron are used with triptans. The combination may produce agitation, tremor, sweating, hyperreflexia and fever. Occurrence is uncommon and generally mild to moderate.
How serious is the interaction between Netupitant-palonosetron and Rizatriptan?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Counsel the patient on symptoms of serotonin syndrome and monitor after administration of either drug. Discontinue and treat supportively if symptoms appear.
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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