Drug interactions
Escitalopram + Trimipramine
Severity: Major
Escitalopram and Trimipramine: major interaction.
Last updated Sources: US FDA label
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 agents are serotonergic, so the combination raises the risk of serotonin syndrome. Both can also prolong the QT interval, and escitalopram may modestly increase tricyclic levels.
What this interaction means in plain words
Escitalopram and Trimipramine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Escitalopram belongs to Central Nervous System; Trimipramine belongs to Central Nervous System.
Why it happens
Additive serotonergic effects and QT prolongation, with weak CYP2D6 inhibition by escitalopram.
What to do
Avoid the combination where possible. If it is used, give the lowest doses, obtain an ECG and monitor for serotonin toxicity.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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References
Other interactions of Trimipramine
- Disopyramide + Trimipramine Contraindicated
- Dofetilide + Trimipramine Contraindicated
- Ibutilide + Trimipramine Contraindicated
- Isocarboxazid + Trimipramine Contraindicated
- Pentamidine + Trimipramine Contraindicated
- Phenelzine + Trimipramine Contraindicated
Other interactions of Escitalopram
- Cisapride + Escitalopram Contraindicated
- Citalopram + Escitalopram Contraindicated
- Escitalopram + Isocarboxazid Contraindicated
- Escitalopram + Methylene blue Contraindicated
- Escitalopram + Phenelzine Contraindicated
- Escitalopram + Pimozide Contraindicated
Frequently asked questions
Can I take Escitalopram with Trimipramine?
MediHelp rates the interaction as major. Escitalopram and Trimipramine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Both agents are serotonergic, so the combination raises the risk of serotonin syndrome. Both can also prolong the QT interval, and escitalopram may modestly increase tricyclic levels.
How serious is the interaction between Escitalopram and Trimipramine?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination where possible. If it is used, give the lowest doses, obtain an ECG and monitor for serotonin toxicity.
What other medicines interact with Trimipramine?
MediHelp also lists interactions of Trimipramine with, for example, Disopyramide, Dofetilide, Ibutilide. The full list is on the Trimipramine page.
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