Drug interactions
Haloperidol + Naratriptan
Severity: Minor
Haloperidol and Naratriptan: 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 both modulate serotonergic and dopaminergic signalling, so combined use could theoretically contribute to serotonin syndrome or neuroleptic malignant syndrome. Clinical reports with this pair are rare, and the practical risk appears low.
What this interaction means in plain words
Haloperidol and Naratriptan have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Haloperidol belongs to Central Nervous System; Naratriptan belongs to Central Nervous System.
Why it happens
Theoretical additive serotonergic and dopaminergic effects; the mechanism is not well established.
What to do
No routine change is needed, but advise patients to report agitation, fever, tremor or rigidity. Stop the drugs and treat if serotonin toxicity is suspected.
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 Haloperidol
- Dofetilide + Haloperidol Contraindicated
- Dronedarone + Haloperidol Contraindicated
- Haloperidol + Ibutilide Contraindicated
- Haloperidol + Levoketoconazole Contraindicated
- Haloperidol + Panobinostat Contraindicated
- Haloperidol + Pimozide Contraindicated
Other interactions of Naratriptan
- Almotriptan + Naratriptan Contraindicated
- Dihydroergotamine intranasal + Naratriptan Contraindicated
- Dihydroergotamine + Naratriptan Contraindicated
- Eletriptan + Naratriptan Contraindicated
- Ergoloid mesylates + Naratriptan Contraindicated
- Ergotamine + Naratriptan Contraindicated
Frequently asked questions
Can I take Haloperidol with Naratriptan?
MediHelp rates the interaction as minor. Haloperidol and Naratriptan 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 both modulate serotonergic and dopaminergic signalling, so combined use could theoretically contribute to serotonin syndrome or neuroleptic malignant syndrome. Clinical reports with this pair are rare, and the practical risk appears low.
How serious is the interaction between Haloperidol and Naratriptan?
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 is needed, but advise patients to report agitation, fever, tremor or rigidity. Stop the drugs and treat if serotonin toxicity is suspected.
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.
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