Drug interactions
Desflurane + Fentanyl transmucosal
Severity: Major
Desflurane and Fentanyl transmucosal: 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. This matters for opioid-tolerant patients using transmucosal fentanyl who need general anesthesia.
What this interaction means in plain words
Desflurane and Fentanyl transmucosal 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 anesthetic and opioid doses 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 transmucosal?
MediHelp rates the interaction as major. Desflurane and Fentanyl transmucosal 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. This matters for opioid-tolerant patients using transmucosal fentanyl who need general anesthesia.
How serious is the interaction between Desflurane and Fentanyl transmucosal?
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 anesthetic and opioid doses 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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