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Drug interactions

Clomipramine + Cyclizine

Severity: Moderate

Clomipramine and Cyclizine: 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 have anticholinergic and sedative properties. Combined use may cause marked drowsiness, dry mouth, blurred vision, constipation, urinary retention and confusion.

What this interaction means in plain words

Clomipramine and Cyclizine 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.

Clomipramine belongs to Central Nervous System; Cyclizine belongs to Respiratory.

Evidence level: Moderate

Why it happens

Additive antimuscarinic and CNS depressant effects.

What to do

Monitor for anticholinergic toxicity and sedation, especially in older patients. Consider a non-anticholinergic antiemetic.

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 Clomipramine with Cyclizine?

MediHelp rates the interaction as moderate. Clomipramine and Cyclizine 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 have anticholinergic and sedative properties. Combined use may cause marked drowsiness, dry mouth, blurred vision, constipation, urinary retention and confusion.

How serious is the interaction between Clomipramine and Cyclizine?

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 anticholinergic toxicity and sedation, especially in older patients. Consider a non-anticholinergic antiemetic.

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

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