Drug interactions
Baclofen + Ethanol
Severity: Moderate
Baclofen and Ethanol: 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
Alcohol and baclofen both depress the CNS, so drinking while on baclofen can cause marked drowsiness, impaired judgment and coordination, and respiratory depression in overdose. Baclofen is sometimes used in alcohol use disorder, but sedation remains a concern.
What this interaction means in plain words
Baclofen and Ethanol 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.
Why it happens
Additive CNS depression via GABA-A and NMDA effects of alcohol and GABA-B agonism by baclofen.
What to do
Advise patients to avoid or minimize alcohol while taking baclofen and not to drive or operate machinery. Monitor for sedation and respiratory depression if alcohol is consumed.
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
Frequently asked questions
Can I take Baclofen with Ethanol?
MediHelp rates the interaction as moderate. Baclofen and Ethanol 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. Alcohol and baclofen both depress the CNS, so drinking while on baclofen can cause marked drowsiness, impaired judgment and coordination, and respiratory depression in overdose. Baclofen is sometimes used in alcohol use disorder, but sedation remains a concern.
How serious is the interaction between Baclofen and Ethanol?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise patients to avoid or minimize alcohol while taking baclofen and not to drive or operate machinery. Monitor for sedation and respiratory depression if alcohol is consumed.
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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