Drug interactions
Flibanserin + Saquinavir
Severity: Contraindicated
Flibanserin and Saquinavir: contraindicated 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
Saquinavir, usually ritonavir-boosted, inhibits CYP3A4 and can raise flibanserin levels. This increases the risk of severe hypotension, syncope and sedation.
What this interaction means in plain words
Flibanserin and Saquinavir are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two.
Why it happens
Inhibition of CYP3A4 reduces flibanserin metabolism.
What to do
Avoid the combination; do not use flibanserin with saquinavir.
What to ask your pharmacist
- Is there an alternative to one of these two medicines for me?
- If both are essential, who is monitoring me and how often?
- Which symptoms mean I should stop and seek help straight away?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Flibanserin and Saquinavir, 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 7 days on the web. No card needed.
References
Other interactions of Flibanserin
- Atazanavir + Flibanserin Contraindicated
- Ceritinib + Flibanserin Contraindicated
- Clarithromycin + Flibanserin Contraindicated
- Cobicistat + Flibanserin Contraindicated
- Conivaptan + Flibanserin Contraindicated
- Crizotinib + Flibanserin Contraindicated
Frequently asked questions
Can I take Flibanserin with Saquinavir?
MediHelp rates the interaction as contraindicated. Flibanserin and Saquinavir are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two. Saquinavir, usually ritonavir-boosted, inhibits CYP3A4 and can raise flibanserin levels. This increases the risk of severe hypotension, syncope and sedation.
How serious is the interaction between Flibanserin and Saquinavir?
MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination; do not use flibanserin with saquinavir.
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.
