Drug interactions
Deutetrabenazine + Escitalopram
Severity: Moderate
Deutetrabenazine and Escitalopram: 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
Escitalopram prolongs the QT interval in a dose-dependent way, and deutetrabenazine can add a small QT effect at higher exposures. The combination may raise the risk of torsades de pointes, especially with bradycardia, electrolyte disturbance or congenital long QT.
What this interaction means in plain words
Deutetrabenazine and Escitalopram 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.
Deutetrabenazine belongs to Central Nervous System; Escitalopram belongs to Central Nervous System.
Why it happens
Additive pharmacodynamic QT prolongation.
What to do
Obtain a baseline ECG and correct potassium and magnesium before combining. Keep escitalopram at the lowest effective dose and repeat the ECG after dose changes or if symptoms such as syncope or palpitations occur.
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 Deutetrabenazine and Escitalopram, 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 Escitalopram
- Cisapride + Escitalopram Contraindicated
- Citalopram + Escitalopram Contraindicated
- Escitalopram + Isocarboxazid Contraindicated
- Escitalopram + Methylene blue Contraindicated
- Escitalopram + Phenelzine Contraindicated
- Escitalopram + Pimozide Contraindicated
Other interactions of Deutetrabenazine
- Deutetrabenazine + Isocarboxazid Contraindicated
- Deutetrabenazine + Linezolid Contraindicated
- Deutetrabenazine + Phenelzine Contraindicated
- Deutetrabenazine + Rasagiline Contraindicated
- Deutetrabenazine + Safinamide Contraindicated
- Deutetrabenazine + Selegiline Contraindicated
Frequently asked questions
Can I take Deutetrabenazine with Escitalopram?
MediHelp rates the interaction as moderate. Deutetrabenazine and Escitalopram 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. Escitalopram prolongs the QT interval in a dose-dependent way, and deutetrabenazine can add a small QT effect at higher exposures. The combination may raise the risk of torsades de pointes, especially with bradycardia, electrolyte disturbance or congenital long QT.
How serious is the interaction between Deutetrabenazine and Escitalopram?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Obtain a baseline ECG and correct potassium and magnesium before combining. Keep escitalopram at the lowest effective dose and repeat the ECG after dose changes or if symptoms such as syncope or palpitations occur.
What other medicines interact with Escitalopram?
MediHelp also lists interactions of Escitalopram with, for example, Cisapride, Citalopram, Isocarboxazid. The full list is on the Escitalopram 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.