Drug interactions
Baclofen + Clozapine
Severity: Moderate
Baclofen and Clozapine: 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
Clozapine is markedly sedating and can cause hypotension and seizures. With baclofen, sedation and orthostatic effects may be greater, and both can lower the seizure threshold.
What this interaction means in plain words
Baclofen and Clozapine 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; Clozapine belongs to Central Nervous System.
Why it happens
Additive CNS depression and hypotensive effects, with possible additive lowering of seizure threshold.
What to do
Monitor sedation, blood pressure and seizure activity, and titrate each drug slowly. Reduce doses if oversedation occurs.
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 Clozapine
- Clozapine + Deferiprone Contraindicated
- Clozapine + Irinotecan Contraindicated
- Clozapine + Pimozide Contraindicated
- Clozapine + Thioridazine Contraindicated
- Acalabrutinib + Clozapine Major
- Adagrasib + Clozapine Major
Frequently asked questions
Can I take Baclofen with Clozapine?
MediHelp rates the interaction as moderate. Baclofen and Clozapine 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. Clozapine is markedly sedating and can cause hypotension and seizures. With baclofen, sedation and orthostatic effects may be greater, and both can lower the seizure threshold.
How serious is the interaction between Baclofen and Clozapine?
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 sedation, blood pressure and seizure activity, and titrate each drug slowly. Reduce doses if oversedation occurs.
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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