Skip to content

Drug interactions

Flibanserin + Lorazepam

Severity: Moderate

Flibanserin and Lorazepam: 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

Both drugs depress the central nervous system, so taking them together increases drowsiness, sedation and impaired alertness. Flibanserin labeling warns of additive CNS depression with other CNS depressants, which may affect driving and daily activities.

What this interaction means in plain words

Flibanserin and Lorazepam 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.

Flibanserin belongs to Genitourinary; Lorazepam belongs to Central Nervous System.

Evidence level: Moderate

Why it happens

Additive pharmacodynamic CNS depression from flibanserin and the benzodiazepine.

What to do

Counsel the patient about sedation and avoid driving until the combined effect is known. Consider dose reduction or an alternative if excessive sedation develops.

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 Flibanserin and Lorazepam, 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.

Frequently asked questions

Can I take Flibanserin with Lorazepam?

MediHelp rates the interaction as moderate. Flibanserin and Lorazepam 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. Both drugs depress the central nervous system, so taking them together increases drowsiness, sedation and impaired alertness. Flibanserin labeling warns of additive CNS depression with other CNS depressants, which may affect driving and daily activities.

How serious is the interaction between Flibanserin and Lorazepam?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Counsel the patient about sedation and avoid driving until the combined effect is known. Consider dose reduction or an alternative if excessive sedation develops.

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