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Drug interactions

Imipramine + Nefopam

Severity: Moderate

Imipramine and Nefopam: 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

Nefopam has sympathomimetic and anticholinergic properties and inhibits monoamine reuptake. With imipramine it may increase tachycardia, anticholinergic effects, seizure risk and possibly serotonergic effects.

What this interaction means in plain words

Imipramine and Nefopam 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.

Imipramine belongs to Central Nervous System; Nefopam belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive anticholinergic, sympathomimetic and monoamine reuptake inhibition effects.

What to do

Monitor heart rate, anticholinergic effects and CNS symptoms such as agitation, tremor or seizures. Avoid in patients with epilepsy or significant cardiac disease.

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 Imipramine with Nefopam?

MediHelp rates the interaction as moderate. Imipramine and Nefopam 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. Nefopam has sympathomimetic and anticholinergic properties and inhibits monoamine reuptake. With imipramine it may increase tachycardia, anticholinergic effects, seizure risk and possibly serotonergic effects.

How serious is the interaction between Imipramine and Nefopam?

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 heart rate, anticholinergic effects and CNS symptoms such as agitation, tremor or seizures. Avoid in patients with epilepsy or significant cardiac disease.

What other medicines interact with Imipramine?

MediHelp also lists interactions of Imipramine with, for example, Dronedarone, Isocarboxazid, Phenelzine. The full list is on the Imipramine page.

Full monographs, dosing and an interaction checker in the MediHelp app

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