Drug interactions
Baclofen + Nalbuphine
Severity: Moderate
Baclofen and Nalbuphine: 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
Baclofen is a GABA-B agonist muscle relaxant, and combining it with an opioid can intensify sedation, dizziness and respiratory depression. The risk is greater in older patients, those with renal impairment and at higher doses.
What this interaction means in plain words
Baclofen and Nalbuphine 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; Nalbuphine belongs to Musculoskeletal.
Why it happens
Additive CNS and respiratory depression via opioid receptor and GABA-B receptor activity.
What to do
Use the lowest effective doses of both and monitor sedation and respiratory rate, especially when titrating. Consider reducing the baclofen dose in patients with renal impairment.
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 Nalbuphine
- Alvimopan + Nalbuphine Contraindicated
- Nalbuphine + Olanzapine / samidorphan Contraindicated
- Alprazolam + Nalbuphine Major
- Amobarbital + Nalbuphine Major
- Benzhydrocodone / acetaminophen + Nalbuphine Major
- Brexanolone + Nalbuphine Major
Other interactions of Baclofen
Frequently asked questions
Can I take Baclofen with Nalbuphine?
MediHelp rates the interaction as moderate. Baclofen and Nalbuphine 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 is a GABA-B agonist muscle relaxant, and combining it with an opioid can intensify sedation, dizziness and respiratory depression. The risk is greater in older patients, those with renal impairment and at higher doses.
How serious is the interaction between Baclofen and Nalbuphine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use the lowest effective doses of both and monitor sedation and respiratory rate, especially when titrating. Consider reducing the baclofen dose in patients with renal impairment.
What other medicines interact with Nalbuphine?
MediHelp also lists interactions of Nalbuphine with, for example, Alvimopan, Olanzapine / samidorphan, Alprazolam. The full list is on the Nalbuphine page.
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