Skip to content

Drug interactions

Fentanyl intranasal + Flibanserin

Severity: Moderate

Fentanyl intranasal and Flibanserin: moderate 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

Fentanyl is a potent opioid with CNS and respiratory depressant effects, and flibanserin adds sedation and hypotension. Together they increase the risk of oversedation and impaired psychomotor function.

What this interaction means in plain words

Fentanyl intranasal and Flibanserin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Evidence level: Moderate

Why it happens

Additive CNS depressant effects.

What to do

Monitor for oversedation and respiratory depression, and counsel against driving; consider avoiding flibanserin during opioid titration.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

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

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Fentanyl intranasal and Flibanserin, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 14 days on the web. No card needed.

Frequently asked questions

Can I take Fentanyl intranasal with Flibanserin?

MediHelp rates the interaction as moderate. Fentanyl intranasal and Flibanserin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Fentanyl is a potent opioid with CNS and respiratory depressant effects, and flibanserin adds sedation and hypotension. Together they increase the risk of oversedation and impaired psychomotor function.

How serious is the interaction between Fentanyl intranasal and Flibanserin?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for oversedation and respiratory depression, and counsel against driving; consider avoiding flibanserin during opioid titration.

What other medicines interact with Flibanserin?

MediHelp also lists interactions of Flibanserin with, for example, Atazanavir, Ceritinib, Clarithromycin. The full list is on the Flibanserin 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.

Browse A–Z · Drug interactions

Get the app Sign in