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Drug interactions

Desipramine + Deutetrabenazine

Severity: Moderate

Desipramine and Deutetrabenazine: 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 cause sedation, and each is associated with QT prolongation, though deutetrabenazine has little effect at recommended doses. Together they may increase drowsiness and, in at-risk patients, arrhythmia.

What this interaction means in plain words

Desipramine and Deutetrabenazine 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.

Desipramine belongs to Central Nervous System; Deutetrabenazine belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive CNS depression and QTc prolongation.

What to do

Monitor sedation and consider an ECG in patients with QT risk factors. Correct electrolyte abnormalities and avoid other QT-prolonging drugs.

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 Desipramine with Deutetrabenazine?

MediHelp rates the interaction as moderate. Desipramine and Deutetrabenazine 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 cause sedation, and each is associated with QT prolongation, though deutetrabenazine has little effect at recommended doses. Together they may increase drowsiness and, in at-risk patients, arrhythmia.

How serious is the interaction between Desipramine and Deutetrabenazine?

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 sedation and consider an ECG in patients with QT risk factors. Correct electrolyte abnormalities and avoid other QT-prolonging drugs.

What other medicines interact with Desipramine?

MediHelp also lists interactions of Desipramine with, for example, Disopyramide, Dofetilide, Ibutilide. The full list is on the Desipramine page.

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

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