Drug interactions
Netupitant / palonosetron + Trimipramine
Severity: Moderate
Netupitant / palonosetron and Trimipramine: 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
Netupitant is a moderate CYP3A4 inhibitor that may raise trimipramine levels, and palonosetron plus tricyclics carries a theoretical serotonin syndrome risk. QT effects may also be additive.
What this interaction means in plain words
Netupitant / palonosetron and Trimipramine 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.
Why it happens
CYP3A4 inhibition by netupitant, with additive serotonergic and QT effects of 5-HT3 antagonism and tricyclics.
What to do
Monitor for serotonin syndrome symptoms and sedation or anticholinergic effects after a single antiemetic dose. Obtain an ECG if other QT risk factors exist.
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 Trimipramine
- Disopyramide + Trimipramine Contraindicated
- Dofetilide + Trimipramine Contraindicated
- Ibutilide + Trimipramine Contraindicated
- Isocarboxazid + Trimipramine Contraindicated
- Pentamidine + Trimipramine Contraindicated
- Phenelzine + Trimipramine Contraindicated
Frequently asked questions
Can I take Netupitant / palonosetron with Trimipramine?
MediHelp rates the interaction as moderate. Netupitant / palonosetron and Trimipramine 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. Netupitant is a moderate CYP3A4 inhibitor that may raise trimipramine levels, and palonosetron plus tricyclics carries a theoretical serotonin syndrome risk. QT effects may also be additive.
How serious is the interaction between Netupitant / palonosetron and Trimipramine?
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 syndrome symptoms and sedation or anticholinergic effects after a single antiemetic dose. Obtain an ECG if other QT risk factors exist.
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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