Drug interactions
Betrixaban + Oxaprozin
Severity: Major
Betrixaban and Oxaprozin: 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
Both drugs raise bleeding risk, and oxaprozin can also cause gastrointestinal mucosal injury. Together they increase the likelihood of serious gastrointestinal and other hemorrhage.
What this interaction means in plain words
Betrixaban and Oxaprozin 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 hemostatic impairment: betrixaban inhibits factor Xa while oxaprozin inhibits platelet function and damages gastric mucosa.
What to do
Avoid the combination where possible and use paracetamol or another non-NSAID analgesic. If unavoidable, monitor for signs of bleeding and check hemoglobin, and consider gastroprotection.
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 Oxaprozin
- Ketorolac intranasal + Oxaprozin Contraindicated
- Ketorolac + Oxaprozin Contraindicated
- Aceclofenac + Oxaprozin Major
- Acemetacin + Oxaprozin Major
- Acetylsalicylic acid + Oxaprozin Major
- Alteplase + Oxaprozin Major
Frequently asked questions
Can I take Betrixaban with Oxaprozin?
MediHelp rates the interaction as major. Betrixaban and Oxaprozin 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. Both drugs raise bleeding risk, and oxaprozin can also cause gastrointestinal mucosal injury. Together they increase the likelihood of serious gastrointestinal and other hemorrhage.
How serious is the interaction between Betrixaban and Oxaprozin?
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 the combination where possible and use paracetamol or another non-NSAID analgesic. If unavoidable, monitor for signs of bleeding and check hemoglobin, and consider gastroprotection.
What other medicines interact with Oxaprozin?
MediHelp also lists interactions of Oxaprozin with, for example, Ketorolac intranasal, Ketorolac, Aceclofenac. The full list is on the Oxaprozin page.
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