Drug interactions
Baclofen + Haloperidol
Severity: Moderate
Baclofen and Haloperidol: moderate 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
Concurrent use may produce additive sedation, dizziness and impaired coordination. Baclofen may also lower seizure threshold, and the combination can worsen confusion in vulnerable patients.
What this interaction means in plain words
Baclofen and Haloperidol can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Baclofen belongs to Musculoskeletal; Haloperidol belongs to Central Nervous System.
Why it happens
Additive CNS depression from GABA-B agonism and dopamine D2 blockade with some sedative effect.
What to do
Monitor for oversedation, confusion and falls, and adjust doses downward if needed. Avoid abrupt baclofen changes.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Baclofen
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 Baclofen with Haloperidol?
MediHelp rates the interaction as moderate. Baclofen and Haloperidol can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Concurrent use may produce additive sedation, dizziness and impaired coordination. Baclofen may also lower seizure threshold, and the combination can worsen confusion in vulnerable patients.
How serious is the interaction between Baclofen and Haloperidol?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for oversedation, confusion and falls, and adjust doses downward if needed. Avoid abrupt baclofen changes.
What other medicines interact with Baclofen?
MediHelp also lists interactions of Baclofen with, for example, Alfentanil, Amobarbital, Belladonna and opium. The full list is on the Baclofen page.
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