Drug interactions
Midazolam intranasal + Netupitant-palonosetron
Severity: Major
Midazolam intranasal and Netupitant-palonosetron: major 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 inhibits CYP3A4 and raises midazolam exposure, and a similar effect is expected with the intranasal form. This can lengthen and deepen sedation and increase the risk of respiratory depression.
What this interaction means in plain words
Midazolam intranasal and Netupitant-palonosetron can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Netupitant inhibits CYP3A4, reducing the metabolism of midazolam.
What to do
Avoid the combination where possible, or use a lower midazolam dose with monitoring of sedation and respiratory function. Make sure resuscitation facilities are available.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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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 Midazolam intranasal with Netupitant-palonosetron?
MediHelp rates the interaction as major. Midazolam intranasal and Netupitant-palonosetron can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Netupitant inhibits CYP3A4 and raises midazolam exposure, and a similar effect is expected with the intranasal form. This can lengthen and deepen sedation and increase the risk of respiratory depression.
How serious is the interaction between Midazolam intranasal and Netupitant-palonosetron?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination where possible, or use a lower midazolam dose with monitoring of sedation and respiratory function. Make sure resuscitation facilities are available.
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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