Drug interactions
Granisetron + Sertraline
Severity: Moderate
Granisetron and Sertraline: 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
Serotonin syndrome has been reported when 5-HT3 antagonists are given with SSRIs. Sertraline also has a minor QT effect. The overall risk is low in most patients.
What this interaction means in plain words
Granisetron and Sertraline 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.
Granisetron belongs to Gastrointestinal Tract; Sertraline belongs to Central Nervous System.
Why it happens
Additive serotonergic effect, with possible minor additive QT effect.
What to do
Co-administration is usually acceptable; monitor for neuromuscular, autonomic and mental status changes. Check an ECG if other QT risk factors are present.
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 Granisetron
- Apomorphine + Granisetron Contraindicated
- Amiodarone + Granisetron Major
- Amisulpride + Granisetron Major
- Arsenic trioxide + Granisetron Major
- Artemether / lumefantrine + Granisetron Major
- Artemether + Granisetron Major
Other interactions of Sertraline
- Isocarboxazid + Sertraline Contraindicated
- Methylene blue + Sertraline Contraindicated
- Phenelzine + Sertraline Contraindicated
- Pimozide + Sertraline Contraindicated
- Selegiline transdermal + Sertraline Contraindicated
- Selegiline + Sertraline Contraindicated
Frequently asked questions
Can I take Granisetron with Sertraline?
MediHelp rates the interaction as moderate. Granisetron and Sertraline 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. Serotonin syndrome has been reported when 5-HT3 antagonists are given with SSRIs. Sertraline also has a minor QT effect. The overall risk is low in most patients.
How serious is the interaction between Granisetron and Sertraline?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Co-administration is usually acceptable; monitor for neuromuscular, autonomic and mental status changes. Check an ECG if other QT risk factors are present.
What other medicines interact with Granisetron?
MediHelp also lists interactions of Granisetron with, for example, Apomorphine, Amiodarone, Amisulpride. The full list is on the Granisetron page.
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