Drug interactions
Desvenlafaxine + Netupitant-palonosetron
Severity: Moderate
Desvenlafaxine 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 given together with SNRIs such as desvenlafaxine. Cases are uncommon but can be severe. Features include confusion, tremor, sweating, clonus and fever.
What this interaction means in plain words
Desvenlafaxine 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.
Desvenlafaxine belongs to Central Nervous System; Netupitant-palonosetron belongs to Gastrointestinal Tract.
Why it happens
Additive serotonergic effects; the exact pharmacodynamic basis for 5-HT3 antagonists is not fully established.
What to do
Counsel the patient and monitor for serotonin toxicity after each antiemetic dose. Stop the serotonergic drugs and treat supportively if symptoms develop.
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 Desvenlafaxine
- Desvenlafaxine + Isocarboxazid Contraindicated
- Desvenlafaxine + Methylene blue Contraindicated
- Desvenlafaxine + Phenelzine Contraindicated
- Desvenlafaxine + Rasagiline Contraindicated
- Desvenlafaxine + Safinamide Contraindicated
- Desvenlafaxine + Selegiline Contraindicated
Frequently asked questions
Can I take Desvenlafaxine with Netupitant-palonosetron?
MediHelp rates the interaction as moderate. Desvenlafaxine 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 given together with SNRIs such as desvenlafaxine. Cases are uncommon but can be severe. Features include confusion, tremor, sweating, clonus and fever.
How serious is the interaction between Desvenlafaxine 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: Counsel the patient and monitor for serotonin toxicity after each antiemetic dose. Stop the serotonergic drugs and treat supportively if symptoms develop.
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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