Drug interactions
Haloperidol + Rimegepant
Severity: Minor
Haloperidol and Rimegepant: 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
Haloperidol may weakly inhibit CYP3A4 and slightly raise rimegepant exposure. Any increase is likely small and clinically minor.
What this interaction means in plain words
Haloperidol and Rimegepant 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; Rimegepant belongs to Central Nervous System.
Why it happens
Possible weak inhibition of CYP3A4-mediated rimegepant metabolism by haloperidol.
What to do
No routine dose change is needed; monitor for rimegepant adverse effects such as nausea.
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 Rimegepant
Frequently asked questions
Can I take Haloperidol with Rimegepant?
MediHelp rates the interaction as minor. Haloperidol and Rimegepant 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 may weakly inhibit CYP3A4 and slightly raise rimegepant exposure. Any increase is likely small and clinically minor.
How serious is the interaction between Haloperidol and Rimegepant?
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 dose change is needed; monitor for rimegepant adverse effects such as nausea.
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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