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Drug interactions

Flibanserin + Sufentanil sl

Severity: Major

Flibanserin and Sufentanil sl: 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

Both drugs depress the CNS, so combining them increases sedation, hypotension and respiratory depression. Serotonergic effects are also theoretically possible.

What this interaction means in plain words

Flibanserin and Sufentanil sl 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: Moderate

Why it happens

Additive CNS and respiratory depression, with a possible additive serotonergic effect.

What to do

Avoid concurrent use where possible; if needed, use the lowest effective opioid dose and monitor sedation and respiration.

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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References

Frequently asked questions

Can I take Flibanserin with Sufentanil sl?

MediHelp rates the interaction as major. Flibanserin and Sufentanil sl 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. Both drugs depress the CNS, so combining them increases sedation, hypotension and respiratory depression. Serotonergic effects are also theoretically possible.

How serious is the interaction between Flibanserin and Sufentanil sl?

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 where possible; if needed, use the lowest effective opioid dose and monitor sedation and respiration.

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.

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