Drug interactions
Haloperidol + Sumatriptan intranasal
Severity: Minor
Haloperidol and Sumatriptan intranasal: 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
Antipsychotics and triptans have both been linked in theory to serotonin toxicity, and dopamine blockade may add to neuroleptic malignant syndrome risk. Documented cases are rare and the risk is low.
What this interaction means in plain words
Haloperidol and Sumatriptan intranasal 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
Theoretical additive serotonergic effects with dopamine antagonism; the mechanism is not firmly established.
What to do
No routine change needed. Counsel the patient to report agitation, fever, rigidity or tremor promptly.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Haloperidol 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 14 days on the web. No card needed.
Other interactions of Haloperidol
- Dofetilide + Haloperidol Contraindicated
- Dronedarone + Haloperidol Contraindicated
- Haloperidol + Ibutilide Contraindicated
- Haloperidol + Levoketoconazole Contraindicated
- Haloperidol + Panobinostat Contraindicated
- Haloperidol + Pimozide Contraindicated
Frequently asked questions
Can I take Haloperidol with Sumatriptan intranasal?
MediHelp rates the interaction as minor. Haloperidol and Sumatriptan intranasal have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Antipsychotics and triptans have both been linked in theory to serotonin toxicity, and dopamine blockade may add to neuroleptic malignant syndrome risk. Documented cases are rare and the risk is low.
How serious is the interaction between Haloperidol and Sumatriptan intranasal?
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 change needed. Counsel the patient to report agitation, fever, rigidity or tremor promptly.
What other medicines interact with Haloperidol?
MediHelp also lists interactions of Haloperidol with, for example, Dofetilide, Dronedarone, Ibutilide. The full list is on the Haloperidol 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.
