Drug interactions
Clomipramine + Quinupristin / dalfopristin
Severity: Moderate
Clomipramine and Quinupristin / dalfopristin: 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
Quinupristin/dalfopristin inhibits CYP3A4 and may raise concentrations of clomipramine, which is partly metabolized by this enzyme. Higher exposure could increase anticholinergic, sedative and cardiac toxicity, including QT effects.
What this interaction means in plain words
Clomipramine and Quinupristin / dalfopristin 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.
Why it happens
Inhibition of CYP3A4-mediated metabolism of clomipramine.
What to do
Monitor for tricyclic toxicity and consider an ECG during the antibiotic course. Reduce the clomipramine dose if signs of excess exposure appear.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Clomipramine and Quinupristin / dalfopristin, 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.
Other interactions of Clomipramine
- Arsenic trioxide + Clomipramine Contraindicated
- Clomipramine + Dofetilide Contraindicated
- Clomipramine + Droperidol Contraindicated
- Clomipramine + Isocarboxazid Contraindicated
- Clomipramine + Methylene blue Contraindicated
- Clomipramine + Pentamidine Contraindicated
Frequently asked questions
Can I take Clomipramine with Quinupristin / dalfopristin?
MediHelp rates the interaction as moderate. Clomipramine and Quinupristin / dalfopristin 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. Quinupristin/dalfopristin inhibits CYP3A4 and may raise concentrations of clomipramine, which is partly metabolized by this enzyme. Higher exposure could increase anticholinergic, sedative and cardiac toxicity, including QT effects.
How serious is the interaction between Clomipramine and Quinupristin / dalfopristin?
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 tricyclic toxicity and consider an ECG during the antibiotic course. Reduce the clomipramine dose if signs of excess exposure appear.
What other medicines interact with Clomipramine?
MediHelp also lists interactions of Clomipramine with, for example, Arsenic trioxide, Dofetilide, Droperidol. The full list is on the Clomipramine 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.
