Drug interactions
Heparin + Oxaprozin
Severity: Major
Heparin and Oxaprozin: 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
Heparin anticoagulation combined with NSAID platelet inhibition and gastric irritation increases the risk of serious bleeding.
What this interaction means in plain words
Heparin 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.
Heparin belongs to Cardiovascular; Oxaprozin belongs to Musculoskeletal.
Why it happens
Additive pharmacodynamic effect: heparin potentiates antithrombin while the NSAID inhibits platelet aggregation and injures gastric mucosa.
What to do
Avoid NSAIDs during heparin therapy where possible, using acetaminophen instead. If co-administered, monitor aPTT or anti-Xa as indicated, hemoglobin and for bleeding.
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 Oxaprozin
- Ketorolac intranasal + Oxaprozin Contraindicated
- Ketorolac + Oxaprozin Contraindicated
- Aceclofenac + Oxaprozin Major
- Acemetacin + Oxaprozin Major
- Acetylsalicylic acid + Oxaprozin Major
- Alteplase + Oxaprozin Major
Other interactions of Heparin
- Defibrotide + Heparin Contraindicated
- Heparin + Ketorolac Contraindicated
- Heparin + Oritavancin Contraindicated
- Acemetacin + Heparin Major
- Acetylsalicylic acid + Heparin Major
- Alteplase + Heparin Major
Frequently asked questions
Can I take Heparin with Oxaprozin?
MediHelp rates the interaction as major. Heparin 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. Heparin anticoagulation combined with NSAID platelet inhibition and gastric irritation increases the risk of serious bleeding.
How serious is the interaction between Heparin 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 NSAIDs during heparin therapy where possible, using acetaminophen instead. If co-administered, monitor aPTT or anti-Xa as indicated, hemoglobin and for bleeding.
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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