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Drug interactions

Oxycodone + Quazepam

Severity: Major

Oxycodone and Quazepam: 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 opioid and benzodiazepine use can cause profound sedation, respiratory depression, coma and death. Regulators carry boxed warnings for this combination.

What this interaction means in plain words

Oxycodone and Quazepam 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.

Evidence level: High

Why it happens

Additive CNS and respiratory depression via opioid receptor and GABA-A receptor activity.

What to do

Reserve the combination for patients with no alternative, using the lowest doses and shortest duration, and monitor closely for respiratory depression and sedation. Consider naloxone availability.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Oxycodone with Quazepam?

MediHelp rates the interaction as major. Oxycodone and Quazepam 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 opioid and benzodiazepine use can cause profound sedation, respiratory depression, coma and death. Regulators carry boxed warnings for this combination.

How serious is the interaction between Oxycodone and Quazepam?

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 the combination for patients with no alternative, using the lowest doses and shortest duration, and monitor closely for respiratory depression and sedation. Consider naloxone availability.

What other medicines interact with Oxycodone?

MediHelp also lists interactions of Oxycodone with, for example, Alvimopan, Calcium / magnesium / potassium / sodium oxybates, Isocarboxazid. The full list is on the Oxycodone page.

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