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Drug interactions

Clonidine + Flibanserin

Severity: Moderate

Clonidine 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

Flibanserin can inhibit P-glycoprotein, which might raise exposure of some substrates. Clonidine is not a clearly established clinically significant P-gp substrate, but both drugs lower blood pressure and cause sedation, so additive hypotension, bradycardia and drowsiness are the main concern.

What this interaction means in plain words

Clonidine 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.

Clonidine belongs to Cardiovascular; Flibanserin belongs to Genitourinary.

Evidence level: Low

Why it happens

Additive hypotensive and sedative effects; possible minor P-gp inhibition by flibanserin.

What to do

Monitor blood pressure, heart rate and sedation. Counsel the patient about orthostatic symptoms.

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.

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Frequently asked questions

Can I take Clonidine with Flibanserin?

MediHelp rates the interaction as moderate. Clonidine 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. Flibanserin can inhibit P-glycoprotein, which might raise exposure of some substrates. Clonidine is not a clearly established clinically significant P-gp substrate, but both drugs lower blood pressure and cause sedation, so additive hypotension, bradycardia and drowsiness are the main concern.

How serious is the interaction between Clonidine 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 blood pressure, heart rate and sedation. Counsel the patient about orthostatic symptoms.

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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