Drug interactions
Frovatriptan + Haloperidol
Severity: Minor
Frovatriptan and Haloperidol: 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 influence 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
Frovatriptan and Haloperidol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Frovatriptan belongs to Central Nervous System; Haloperidol 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 counsel the patient to report agitation, fever, tremor, rigidity or diarrhea. 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 Frovatriptan
- Almotriptan + Frovatriptan Contraindicated
- Dihydroergotamine intranasal + Frovatriptan Contraindicated
- Dihydroergotamine + Frovatriptan Contraindicated
- Eletriptan + Frovatriptan Contraindicated
- Ergoloid mesylates + Frovatriptan Contraindicated
- Ergotamine + Frovatriptan Contraindicated
Frequently asked questions
Can I take Frovatriptan with Haloperidol?
MediHelp rates the interaction as minor. Frovatriptan and Haloperidol 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 influence 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 Frovatriptan and Haloperidol?
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 counsel the patient to report agitation, fever, tremor, rigidity or diarrhea. 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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