Drug interactions
Dolasetron + Sumatriptan intranasal
Severity: Moderate
Dolasetron and Sumatriptan intranasal: 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
Triptans and 5-HT3 antagonists are both serotonergic, and concurrent use has been linked to rare reports of serotonin syndrome. The absolute risk appears low.
What this interaction means in plain words
Dolasetron and Sumatriptan intranasal 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
Possible additive serotonergic effects, although the mechanism is not firmly established.
What to do
Counsel the patient on symptoms of serotonin syndrome and monitor after dose starts or increases. Stop the agents and treat if symptoms appear.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Dolasetron and Sumatriptan intranasal, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Dolasetron
- Apomorphine + Dolasetron Contraindicated
- Dofetilide + Dolasetron Contraindicated
- Dolasetron + Ibutilide Contraindicated
- Dolasetron + Pimozide Contraindicated
- Dolasetron + Thioridazine Contraindicated
- Dolasetron + Vandetanib Contraindicated
Frequently asked questions
Can I take Dolasetron with Sumatriptan intranasal?
MediHelp rates the interaction as moderate. Dolasetron and Sumatriptan intranasal 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. Triptans and 5-HT3 antagonists are both serotonergic, and concurrent use has been linked to rare reports of serotonin syndrome. The absolute risk appears low.
How serious is the interaction between Dolasetron and Sumatriptan intranasal?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Counsel the patient on symptoms of serotonin syndrome and monitor after dose starts or increases. Stop the agents and treat if symptoms appear.
What other medicines interact with Dolasetron?
MediHelp also lists interactions of Dolasetron with, for example, Apomorphine, Dofetilide, Ibutilide. The full list is on the Dolasetron page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
