Drug interactions
Baclofen + Loxapine
Severity: Moderate
Baclofen and Loxapine: 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
Loxapine is a sedating antipsychotic and with baclofen may cause additive drowsiness, dizziness and impaired coordination. Both can lower seizure threshold.
What this interaction means in plain words
Baclofen and Loxapine 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; Loxapine belongs to Central Nervous System.
Why it happens
Additive CNS depression through GABA-B agonism and dopaminergic, histaminic and adrenergic receptor blockade.
What to do
Monitor for oversedation, confusion and seizures, and adjust doses if needed. Titrate slowly when adding either drug.
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 Loxapine
- Alfentanil + Loxapine Major
- Alprazolam + Loxapine Major
- Amisulpride + Loxapine Major
- Amoxapine + Loxapine Major
- Apomorphine + Loxapine Major
- Belladonna and opium + Loxapine Major
Frequently asked questions
Can I take Baclofen with Loxapine?
MediHelp rates the interaction as moderate. Baclofen and Loxapine 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. Loxapine is a sedating antipsychotic and with baclofen may cause additive drowsiness, dizziness and impaired coordination. Both can lower seizure threshold.
How serious is the interaction between Baclofen and Loxapine?
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 seizures, and adjust doses if needed. Titrate slowly when adding either drug.
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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