Drug interactions
Duloxetine + Netupitant / palonosetron
Severity: Moderate
Duloxetine 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
Palonosetron, a 5-HT3 antagonist, has been reported rarely with serotonin syndrome when given with serotonergic antidepressants. Netupitant is a moderate CYP3A4 inhibitor and is unlikely to affect duloxetine substantially. The overall risk is low and episodes are short-term.
What this interaction means in plain words
Duloxetine 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.
Why it happens
Possible additive serotonergic effect; the mechanism of 5-HT3 antagonist-associated serotonin syndrome is not firmly established.
What to do
The combination can be used when needed for chemotherapy-induced nausea; monitor for agitation, tremor, clonus and hyperthermia after dosing.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Duloxetine and Netupitant / palonosetron, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Duloxetine
- Duloxetine + Isocarboxazid Contraindicated
- Duloxetine + Linezolid Contraindicated
- Duloxetine + Methylene blue Contraindicated
- Duloxetine + Phenelzine Contraindicated
- Duloxetine + Procarbazine Contraindicated
- Duloxetine + Rasagiline Contraindicated
Frequently asked questions
Can I take Duloxetine with Netupitant / palonosetron?
MediHelp rates the interaction as moderate. Duloxetine 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. Palonosetron, a 5-HT3 antagonist, has been reported rarely with serotonin syndrome when given with serotonergic antidepressants. Netupitant is a moderate CYP3A4 inhibitor and is unlikely to affect duloxetine substantially. The overall risk is low and episodes are short-term.
How serious is the interaction between Duloxetine 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: The combination can be used when needed for chemotherapy-induced nausea; monitor for agitation, tremor, clonus and hyperthermia after dosing.
What other medicines interact with Duloxetine?
MediHelp also lists interactions of Duloxetine with, for example, Isocarboxazid, Linezolid, Methylene blue. The full list is on the Duloxetine page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
