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Drug interactions

Fentanyl transmucosal + Propofol

Severity: Major

Fentanyl transmucosal and Propofol: 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

Transmucosal fentanyl and propofol together can cause profound sedation, respiratory depression and hypotension. Patients using transmucosal fentanyl are opioid-tolerant, but the additive effect is still significant.

What this interaction means in plain words

Fentanyl transmucosal and Propofol 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.

Evidence level: High

Why it happens

Additive CNS and respiratory depression from mu-opioid agonism and propofol's GABAergic action.

What to do

Titrate propofol to effect at reduced doses and monitor ventilation and blood pressure continuously. Avoid giving breakthrough fentanyl doses right before sedation.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Fentanyl transmucosal with Propofol?

MediHelp rates the interaction as major. Fentanyl transmucosal and Propofol 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. Transmucosal fentanyl and propofol together can cause profound sedation, respiratory depression and hypotension. Patients using transmucosal fentanyl are opioid-tolerant, but the additive effect is still significant.

How serious is the interaction between Fentanyl transmucosal and Propofol?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Titrate propofol to effect at reduced doses and monitor ventilation and blood pressure continuously. Avoid giving breakthrough fentanyl doses right before sedation.

What other medicines interact with Propofol?

MediHelp also lists interactions of Propofol with, for example, Alfentanil, Alprazolam, Amobarbital. The full list is on the Propofol 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.

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