Drug interactions
Baclofen + Sodium oxybate
Severity: Major
Baclofen and Sodium oxybate: major 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
Sodium oxybate and baclofen both depress the CNS through GABA-B pathways. Together they can cause profound sedation, respiratory depression, coma and death.
What this interaction means in plain words
Baclofen and Sodium oxybate can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Baclofen belongs to Musculoskeletal; Sodium oxybate belongs to Central Nervous System.
Why it happens
Additive CNS depression with convergent GABA-B receptor agonism.
What to do
Avoid concurrent use where possible, or restrict to the lowest doses and shortest duration. Monitor closely for sedation and respiratory depression and reduce doses if present.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Baclofen
Other interactions of Sodium oxybate
- Alprazolam + Sodium oxybate Contraindicated
- Amobarbital + Sodium oxybate Contraindicated
- Butorphanol + Sodium oxybate Contraindicated
- Chloral hydrate + Sodium oxybate Contraindicated
- Clonazepam + Sodium oxybate Contraindicated
- Clorazepate + Sodium oxybate Contraindicated
Frequently asked questions
Can I take Baclofen with Sodium oxybate?
MediHelp rates the interaction as major. Baclofen and Sodium oxybate can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Sodium oxybate and baclofen both depress the CNS through GABA-B pathways. Together they can cause profound sedation, respiratory depression, coma and death.
How serious is the interaction between Baclofen and Sodium oxybate?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid concurrent use where possible, or restrict to the lowest doses and shortest duration. Monitor closely for sedation and respiratory depression and reduce doses if present.
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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