Drug interactions
Desflurane + Fentanyl intranasal
Severity: Major
Desflurane and Fentanyl intranasal: major interaction.
Last updated Sources: US FDA label
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
Opioids and volatile anesthetics produce additive CNS and respiratory depression, with hypotension and profound sedation. Such combinations are used deliberately in anesthesia but require dose adjustment and monitoring.
What this interaction means in plain words
Desflurane and Fentanyl intranasal 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
Additive pharmacodynamic CNS and respiratory depression.
What to do
Reduce the dose of either or both agents and titrate to effect. Monitor ventilation, oxygen saturation and blood pressure continuously.
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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References
Other interactions of Desflurane
Frequently asked questions
Can I take Desflurane with Fentanyl intranasal?
MediHelp rates the interaction as major. Desflurane and Fentanyl intranasal 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. Opioids and volatile anesthetics produce additive CNS and respiratory depression, with hypotension and profound sedation. Such combinations are used deliberately in anesthesia but require dose adjustment and monitoring.
How serious is the interaction between Desflurane and Fentanyl intranasal?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Reduce the dose of either or both agents and titrate to effect. Monitor ventilation, oxygen saturation and blood pressure continuously.
What other medicines interact with Desflurane?
MediHelp also lists interactions of Desflurane with, for example, Amisulpride, Anagrelide, Arsenic trioxide. The full list is on the Desflurane page.
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