Drug interactions
Buprenorphine buccal + Oxycodone
Severity: Major
Buprenorphine buccal and Oxycodone: major interaction.
Last updated Sources: US FDA label
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
Buprenorphine is a high-affinity partial agonist that can displace oxycodone from receptors, potentially reducing analgesia or precipitating withdrawal in opioid-dependent patients. Additive sedation and respiratory depression can also occur.
What this interaction means in plain words
Buprenorphine buccal and Oxycodone 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
Partial agonist with high receptor affinity competes with full agonist, while also adding CNS depression.
What to do
Avoid combining unless under specialist supervision, and observe for withdrawal symptoms, inadequate analgesia and respiratory depression. Plan opioid transitions deliberately.
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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References
Other interactions of Oxycodone
- Alvimopan + Oxycodone Contraindicated
- Calcium / magnesium / potassium / sodium oxybates + Oxycodone Contraindicated
- Isocarboxazid + Oxycodone Contraindicated
- Olanzapine / samidorphan + Oxycodone Contraindicated
- Oxycodone + Phenelzine Contraindicated
- Oxycodone + Sodium oxybate Contraindicated
Frequently asked questions
Can I take Buprenorphine buccal with Oxycodone?
MediHelp rates the interaction as major. Buprenorphine buccal and Oxycodone 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. Buprenorphine is a high-affinity partial agonist that can displace oxycodone from receptors, potentially reducing analgesia or precipitating withdrawal in opioid-dependent patients. Additive sedation and respiratory depression can also occur.
How serious is the interaction between Buprenorphine buccal and Oxycodone?
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 combining unless under specialist supervision, and observe for withdrawal symptoms, inadequate analgesia and respiratory depression. Plan opioid transitions deliberately.
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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