Drug interactions
Duloxetine + Escitalopram
Severity: Major
Duloxetine and Escitalopram: 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
Combining two serotonergic antidepressants increases the risk of serotonin syndrome, with agitation, tremor, hyperthermia, and autonomic instability. Duloxetine also inhibits CYP2D6 moderately, which may modestly affect other drug levels.
What this interaction means in plain words
Duloxetine and Escitalopram 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.
Duloxetine belongs to Central Nervous System; Escitalopram belongs to Central Nervous System.
Why it happens
Additive enhancement of serotonergic neurotransmission through dual reuptake inhibition.
What to do
Avoid routine combination; if used, start low, titrate slowly and monitor for serotonin syndrome symptoms. Stop one agent if symptoms occur.
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 Escitalopram
- Cisapride + Escitalopram Contraindicated
- Citalopram + Escitalopram Contraindicated
- Escitalopram + Isocarboxazid Contraindicated
- Escitalopram + Methylene blue Contraindicated
- Escitalopram + Phenelzine Contraindicated
- Escitalopram + Pimozide Contraindicated
Other interactions of Duloxetine
- Duloxetine + Isocarboxazid Contraindicated
- Duloxetine + Linezolid Contraindicated
- Duloxetine + Methylene blue Contraindicated
- Duloxetine + Phenelzine Contraindicated
- Duloxetine + Procarbazine Contraindicated
- Duloxetine + Rasagiline Contraindicated
Frequently asked questions
Can I take Duloxetine with Escitalopram?
MediHelp rates the interaction as major. Duloxetine and Escitalopram 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. Combining two serotonergic antidepressants increases the risk of serotonin syndrome, with agitation, tremor, hyperthermia, and autonomic instability. Duloxetine also inhibits CYP2D6 moderately, which may modestly affect other drug levels.
How serious is the interaction between Duloxetine and Escitalopram?
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 routine combination; if used, start low, titrate slowly and monitor for serotonin syndrome symptoms. Stop one agent if symptoms 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.
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