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Drug interactions

Asenapine transdermal + Baclofen

Severity: Moderate

Asenapine transdermal and Baclofen: 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

Asenapine is a sedating antipsychotic, and with baclofen the CNS depressant effects may add together, causing drowsiness, dizziness and hypotension.

What this interaction means in plain words

Asenapine transdermal and Baclofen 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.

Evidence level: Low

Why it happens

Additive CNS depression from GABA-B agonism and antihistaminic and adrenergic blockade of asenapine.

What to do

Monitor for oversedation and orthostatic hypotension, particularly at initiation or dose increases.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Asenapine transdermal with Baclofen?

MediHelp rates the interaction as moderate. Asenapine transdermal and Baclofen 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. Asenapine is a sedating antipsychotic, and with baclofen the CNS depressant effects may add together, causing drowsiness, dizziness and hypotension.

How serious is the interaction between Asenapine transdermal and Baclofen?

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 and orthostatic hypotension, particularly at initiation or dose increases.

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.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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