Drug interactions
Haloperidol + Zanubrutinib
Severity: Minor
Haloperidol and Zanubrutinib: 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 is not an established moderate CYP3A4 inhibitor, so a clinically significant increase in zanubrutinib exposure is unlikely. Any increase could raise the risk of bleeding or cytopenias.
What this interaction means in plain words
Haloperidol and Zanubrutinib 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; Zanubrutinib belongs to Oncology.
Why it happens
Possible weak CYP3A4 inhibition by haloperidol; not well established.
What to do
No empirical dose reduction is required. Monitor blood counts and watch for bleeding or infection.
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 Zanubrutinib
Frequently asked questions
Can I take Haloperidol with Zanubrutinib?
MediHelp rates the interaction as minor. Haloperidol and Zanubrutinib 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 is not an established moderate CYP3A4 inhibitor, so a clinically significant increase in zanubrutinib exposure is unlikely. Any increase could raise the risk of bleeding or cytopenias.
How serious is the interaction between Haloperidol and Zanubrutinib?
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 empirical dose reduction is required. Monitor blood counts and watch for bleeding or infection.
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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