Drug interactions
Indomethacin + Oxaprozin
Severity: Major
Indomethacin 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
Using two NSAIDs together adds no proven benefit and increases gastrointestinal bleeding, ulceration and renal toxicity. Hyperkalemia and fluid retention may also be more likely.
What this interaction means in plain words
Indomethacin 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.
Indomethacin belongs to Musculoskeletal; Oxaprozin belongs to Musculoskeletal.
Why it happens
Additive cyclooxygenase inhibition leading to greater mucosal injury, platelet inhibition and reduced renal prostaglandin synthesis.
What to do
Avoid concurrent use of two systemic NSAIDs and use a single agent at the lowest effective dose. If switching, stop one before starting the other.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Indomethacin and Oxaprozin, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
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
Other interactions of Indomethacin
- Indomethacin + Ketorolac Contraindicated
- Indomethacin + Ketorolac intranasal Contraindicated
- Aceclofenac + Indomethacin Major
- Acemetacin + Indomethacin Major
- Acetylsalicylic acid + Indomethacin Major
- Alteplase + Indomethacin Major
Frequently asked questions
Can I take Indomethacin with Oxaprozin?
MediHelp rates the interaction as major. Indomethacin 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. Using two NSAIDs together adds no proven benefit and increases gastrointestinal bleeding, ulceration and renal toxicity. Hyperkalemia and fluid retention may also be more likely.
How serious is the interaction between Indomethacin 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 concurrent use of two systemic NSAIDs and use a single agent at the lowest effective dose. If switching, stop one before starting the other.
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.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
