Drug interactions
Baclofen + Buprenorphine transdermal
Severity: Major
Baclofen and Buprenorphine transdermal: 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
Concurrent use of baclofen and transdermal buprenorphine can produce additive sedation and respiratory depression. Because the patch releases drug over several days, effects continue after the patch is removed.
What this interaction means in plain words
Baclofen and Buprenorphine transdermal 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.
Why it happens
Additive CNS and respiratory depression from opioid receptor partial agonism and GABA-B agonism.
What to do
Reserve for patients without alternatives and keep baclofen doses low. Monitor sedation and respiratory rate, and counsel patients about driving and other hazardous activities.
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
Frequently asked questions
Can I take Baclofen with Buprenorphine transdermal?
MediHelp rates the interaction as major. Baclofen and Buprenorphine transdermal 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. Concurrent use of baclofen and transdermal buprenorphine can produce additive sedation and respiratory depression. Because the patch releases drug over several days, effects continue after the patch is removed.
How serious is the interaction between Baclofen and Buprenorphine transdermal?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Reserve for patients without alternatives and keep baclofen doses low. Monitor sedation and respiratory rate, and counsel patients about driving and other hazardous activities.
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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