Drug interactions
Nalbuphine + Orphenadrin
Severity: Major
Nalbuphine and Orphenadrin: 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
Nalbuphine is an opioid agonist-antagonist that causes sedation and respiratory depression, which orphenadrine may enhance. This can result in marked drowsiness and impaired breathing, especially in older or debilitated patients.
What this interaction means in plain words
Nalbuphine and Orphenadrin 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.
Nalbuphine belongs to Musculoskeletal; Orphenadrin belongs to Musculoskeletal.
Why it happens
Additive central nervous system and respiratory depression.
What to do
Use the lowest effective doses and monitor sedation and respiratory rate closely. Avoid the combination in patients with respiratory compromise.
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 Orphenadrin
Other interactions of Nalbuphine
- Alvimopan + Nalbuphine Contraindicated
- Nalbuphine + Olanzapine / samidorphan Contraindicated
- Alprazolam + Nalbuphine Major
- Amobarbital + Nalbuphine Major
- Benzhydrocodone / acetaminophen + Nalbuphine Major
- Brexanolone + Nalbuphine Major
Frequently asked questions
Can I take Nalbuphine with Orphenadrin?
MediHelp rates the interaction as major. Nalbuphine and Orphenadrin 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. Nalbuphine is an opioid agonist-antagonist that causes sedation and respiratory depression, which orphenadrine may enhance. This can result in marked drowsiness and impaired breathing, especially in older or debilitated patients.
How serious is the interaction between Nalbuphine and Orphenadrin?
MediHelp rates it major, 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 and monitor sedation and respiratory rate closely. Avoid the combination in patients with respiratory compromise.
What other medicines interact with Orphenadrin?
MediHelp also lists interactions of Orphenadrin with, for example, Alfentanil, Amobarbital, Benzhydrocodone / acetaminophen. The full list is on the Orphenadrin page.
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