Drug interactions
Benzhydrocodone / acetaminophen + Oxazepam
Severity: Major
Benzhydrocodone / acetaminophen and Oxazepam: 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
Combining a benzodiazepine with an opioid causes additive CNS and respiratory depression. This can produce profound sedation, respiratory failure, coma, and death.
What this interaction means in plain words
Benzhydrocodone / acetaminophen and Oxazepam 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 pharmacodynamic CNS and respiratory depression via GABA-A potentiation and opioid receptor agonism.
What to do
Reserve combined use for patients without adequate alternatives, using the lowest doses and shortest duration. Monitor for sedation and respiratory depression.
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 Oxazepam
- Calcium / magnesium / potassium / sodium oxybates + Oxazepam Contraindicated
- Oxazepam + Sodium oxybate Contraindicated
- Alfentanil + Oxazepam Major
- Amobarbital + Oxazepam Major
- Baclofen + Oxazepam Major
- Belladonna and opium + Oxazepam Major
Frequently asked questions
Can I take Benzhydrocodone / acetaminophen with Oxazepam?
MediHelp rates the interaction as major. Benzhydrocodone / acetaminophen and Oxazepam 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. Combining a benzodiazepine with an opioid causes additive CNS and respiratory depression. This can produce profound sedation, respiratory failure, coma, and death.
How serious is the interaction between Benzhydrocodone / acetaminophen and Oxazepam?
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 combined use for patients without adequate alternatives, using the lowest doses and shortest duration. Monitor for sedation and respiratory depression.
What other medicines interact with Oxazepam?
MediHelp also lists interactions of Oxazepam with, for example, Calcium / magnesium / potassium / sodium oxybates, Sodium oxybate, Alfentanil. The full list is on the Oxazepam page.
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