Drug interactions
Diazepam intranasal + Netupitant-palonosetron
Severity: Moderate
Diazepam intranasal 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
Netupitant moderately inhibits CYP3A4, which contributes to diazepam metabolism, so diazepam exposure and sedation may increase. This matters because excess sedation and respiratory depression can occur with benzodiazepines.
What this interaction means in plain words
Diazepam intranasal 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
Netupitant inhibits CYP3A4, slowing diazepam elimination.
What to do
Monitor for excessive sedation and respiratory depression and consider a lower diazepam dose if used repeatedly.
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
Frequently asked questions
Can I take Diazepam intranasal with Netupitant-palonosetron?
MediHelp rates the interaction as moderate. Diazepam intranasal 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. Netupitant moderately inhibits CYP3A4, which contributes to diazepam metabolism, so diazepam exposure and sedation may increase. This matters because excess sedation and respiratory depression can occur with benzodiazepines.
How serious is the interaction between Diazepam intranasal 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: Monitor for excessive sedation and respiratory depression and consider a lower diazepam dose if used repeatedly.
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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