Drug interactions
Duloxetine + Tropisetron
Severity: Minor
Duloxetine and Tropisetron: minor 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
Tropisetron is metabolized mainly by CYP2D6, and duloxetine inhibits this enzyme. Tropisetron levels may increase, and both drugs can have serotonergic or QT effects.
What this interaction means in plain words
Duloxetine and Tropisetron have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Duloxetine inhibits CYP2D6, reducing tropisetron clearance.
What to do
No routine dose change is needed. Monitor for tropisetron adverse effects such as headache, dizziness and constipation.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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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 Tropisetron?
MediHelp rates the interaction as minor. Duloxetine and Tropisetron have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Tropisetron is metabolized mainly by CYP2D6, and duloxetine inhibits this enzyme. Tropisetron levels may increase, and both drugs can have serotonergic or QT effects.
How serious is the interaction between Duloxetine and Tropisetron?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine dose change is needed. Monitor for tropisetron adverse effects such as headache, dizziness and constipation.
What other medicines interact with Duloxetine?
MediHelp also lists interactions of Duloxetine with, for example, Isocarboxazid, Linezolid, Methylene blue. The full list is on the Duloxetine page.
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