Drug interactions
Escitalopram + Palonosetron
Severity: Moderate
Escitalopram and Palonosetron: 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
Rare serotonin syndrome reports exist with 5-HT3 antagonists and SSRIs. Escitalopram also has dose-related QT effects, a minor additional consideration.
What this interaction means in plain words
Escitalopram and Palonosetron 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 belongs to Central Nervous System; Palonosetron belongs to Gastrointestinal Tract.
Why it happens
Possible additive serotonergic effects; causality is not firmly established.
What to do
Monitor for serotonin toxicity symptoms and consider an ECG if other QT risks exist. Stop drugs and treat supportively if toxicity occurs.
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?
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Other interactions of Palonosetron
- Apomorphine + Palonosetron Contraindicated
- Isocarboxazid + Palonosetron Major
- Palonosetron + Phenelzine Major
- Palonosetron + Tranylcypromine Major
- Almotriptan + Palonosetron Moderate
- Amitriptyline + Palonosetron Moderate
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 Palonosetron?
MediHelp rates the interaction as moderate. Escitalopram and Palonosetron 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. Rare serotonin syndrome reports exist with 5-HT3 antagonists and SSRIs. Escitalopram also has dose-related QT effects, a minor additional consideration.
How serious is the interaction between Escitalopram and Palonosetron?
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 for serotonin toxicity symptoms and consider an ECG if other QT risks exist. Stop drugs and treat supportively if toxicity occurs.
What other medicines interact with Palonosetron?
MediHelp also lists interactions of Palonosetron with, for example, Apomorphine, Isocarboxazid, Phenelzine. The full list is on the Palonosetron page.
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