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Interactions médicamenteuses

Alfentanil + Fentanyl

Gravité: Majeure

Alfentanil and Fentanyl: major interaction.

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Résumé

Combining fentanyl and alfentanil, both potent opioids, produces additive sedation, respiratory depression and hypotension. In supervised anesthesia this is often intended, but outside it risks overdose.

Ce que signifie cette interaction, en termes simples

Alfentanil and Fentanyl 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.

Niveau de preuve: High

Pourquoi elle survient

Additive mu-opioid receptor agonism.

Conduite à tenir

Avoid concurrent use outside monitored anesthesia settings; if both are given, reduce doses and monitor ventilation and sedation.

Questions à poser à votre pharmacien

  • 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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Questions fréquentes

Can I take Alfentanil with Fentanyl?

MediHelp rates the interaction as major. Alfentanil and Fentanyl 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. Combining fentanyl and alfentanil, both potent opioids, produces additive sedation, respiratory depression and hypotension. In supervised anesthesia this is often intended, but outside it risks overdose.

How serious is the interaction between Alfentanil and Fentanyl?

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 concurrent use outside monitored anesthesia settings; if both are given, reduce doses and monitor ventilation and sedation.

What other medicines interact with Fentanyl?

MediHelp also lists interactions of Fentanyl with, for example, Alvimopan, Isocarboxazid, Olanzapine / samidorphan. The full list is on the Fentanyl page.

Monographies complètes, posologies et vérificateur d'interactions dans l'application MediHelp

Ouvrez le référentiel complet, vérifiez les interactions entre plusieurs médicaments et utilisez les outils de posologie dans l'application MediHelp.

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