Drug interactions
Oxaprozin + Parecoxib
Severity: Major
Oxaprozin and Parecoxib: 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
Parecoxib is a prodrug of valdecoxib, a COX-2 inhibitor, so combining it with oxaprozin duplicates NSAID therapy. This increases the risk of gastrointestinal bleeding, renal injury, fluid retention, hyperkalemia and cardiovascular events without added benefit.
What this interaction means in plain words
Oxaprozin and Parecoxib 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 cyclooxygenase inhibition leading to duplicated gastrointestinal, renal and cardiovascular toxicity.
What to do
Avoid using two NSAIDs together; use a single agent at the lowest effective dose. Consider acetaminophen or an opioid for breakthrough pain if needed.
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
Frequently asked questions
Can I take Oxaprozin with Parecoxib?
MediHelp rates the interaction as major. Oxaprozin and Parecoxib 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. Parecoxib is a prodrug of valdecoxib, a COX-2 inhibitor, so combining it with oxaprozin duplicates NSAID therapy. This increases the risk of gastrointestinal bleeding, renal injury, fluid retention, hyperkalemia and cardiovascular events without added benefit.
How serious is the interaction between Oxaprozin and Parecoxib?
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 using two NSAIDs together; use a single agent at the lowest effective dose. Consider acetaminophen or an opioid for breakthrough pain if needed.
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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