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Drug interactions

Netupitant / palonosetron + Rasagiline

Severity: Moderate

Netupitant / palonosetron and Rasagiline: 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

Palonosetron, a 5-HT3 antagonist, has been associated with serotonin syndrome when given with serotonergic drugs, and MAO inhibitors raise serotonin levels. The risk is probably low but the consequences can be serious.

What this interaction means in plain words

Netupitant / palonosetron and Rasagiline 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.

Evidence level: Low

Why it happens

Possible additive serotonergic effect; the causal mechanism of 5-HT3 antagonists in serotonin syndrome is not firmly established.

What to do

Monitor for mental status changes, autonomic instability and neuromuscular signs when the antiemetic is given with rasagiline. Stop the antiemetic and treat if serotonin syndrome is suspected.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Netupitant / palonosetron with Rasagiline?

MediHelp rates the interaction as moderate. Netupitant / palonosetron and Rasagiline 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. Palonosetron, a 5-HT3 antagonist, has been associated with serotonin syndrome when given with serotonergic drugs, and MAO inhibitors raise serotonin levels. The risk is probably low but the consequences can be serious.

How serious is the interaction between Netupitant / palonosetron and Rasagiline?

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 mental status changes, autonomic instability and neuromuscular signs when the antiemetic is given with rasagiline. Stop the antiemetic and treat if serotonin syndrome is suspected.

What other medicines interact with Rasagiline?

MediHelp also lists interactions of Rasagiline with, for example, Atomoxetine, Brimonidine, Bupropion-naltrexone. The full list is on the Rasagiline page.

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