Drug interactions
Benzhydrocodone / acetaminophen + Nalbuphine
Severity: Major
Benzhydrocodone / acetaminophen and Nalbuphine: 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 may antagonize the mu-opioid effect of hydrocodone released from benzhydrocodone, reducing analgesia and possibly precipitating withdrawal. Additive sedation and respiratory depression can also occur.
What this interaction means in plain words
Benzhydrocodone / acetaminophen and Nalbuphine 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
Mixed agonist-antagonist competition at mu receptors plus additive opioid CNS depression.
What to do
Avoid concurrent use if possible. If both are needed, use the lowest effective doses and monitor for respiratory depression and withdrawal.
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 Nalbuphine
- Alvimopan + Nalbuphine Contraindicated
- Nalbuphine + Olanzapine / samidorphan Contraindicated
- Alprazolam + Nalbuphine Major
- Amobarbital + Nalbuphine Major
- Brexanolone + Nalbuphine Major
- Butabarbital + Nalbuphine Major
Frequently asked questions
Can I take Benzhydrocodone / acetaminophen with Nalbuphine?
MediHelp rates the interaction as major. Benzhydrocodone / acetaminophen and Nalbuphine 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 may antagonize the mu-opioid effect of hydrocodone released from benzhydrocodone, reducing analgesia and possibly precipitating withdrawal. Additive sedation and respiratory depression can also occur.
How serious is the interaction between Benzhydrocodone / acetaminophen and Nalbuphine?
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 if possible. If both are needed, use the lowest effective doses and monitor for respiratory depression and withdrawal.
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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