Rofecoxib and Apixaban: Interaction Details
AI-assisted, pharmacist-reviewed · AI content regenerated Aug 8, 2026 · Source data updated Jul 11, 2026 · Sources: FDA labeling, DDInter 2.0, cited literature
Apixaban
Rofecoxib
No brand names on record
How we grade severity & evidence
Severity levels
- Contraindicated: These should generally not be used together.
- Major: Potentially serious — often needs a change or close monitoring.
- Moderate: Can be significant — usually manageable with monitoring.
- Minor: Usually limited clinical impact.
Evidence grades
- Established: Well documented — supported by controlled studies or strong clinical data.
- Probable: Good supporting evidence, though not definitively proven.
- Suspected: Some evidence suggests this interaction, but it is not well established.
- Possible: Limited or conflicting evidence; the interaction may occur.
- Theoretical: Predicted from the drugs' pharmacology; not yet confirmed in people.
Ratings come from the documented interaction literature and are reviewed by a pharmacist. They describe the documented risk of the combination, not what will necessarily happen to you — your dose, timing, and health picture all matter.
Taking these two together can raise your risk of bleeding. Apixaban (Eliquis) is a blood thinner that keeps clots from forming. Rofecoxib is an anti-inflammatory pain medicine (an NSAID). Each one can make bleeding more likely on its own, and using both at the same time can add those effects together.
Watch for warning signs like unusual bruising, nosebleeds, pink or red urine, black stools, or bleeding that won't stop. This risk is based mostly on how these drugs work rather than large studies, so try not to worry. Your doctor and pharmacist can manage this safely, so keep taking both as prescribed and let them know before making any changes.
Additive bleeding risk (PD interaction). Apixaban is a direct factor Xa inhibitor; rofecoxib is a COX-2 selective NSAID. Combined use produces an additive effect on hemostasis, increasing risk of serious bleeding versus either agent alone. Neither is a prodrug here, so the effect is pharmacodynamic, not metabolic.
- Direction: increased bleeding risk
- Evidence: theoretical; onset unspecified
- Special concern: heightened risk of epidural/spinal hematoma with neuraxial anesthesia or spinal puncture, potentially causing lasting paralysis
- Management: monitor for signs/symptoms of bleeding; assess GI bleed risk; individualize therapy and consider alternative analgesia if appropriate
What happens
An increased risk of bleeding
Interaction Deep Dive
Using an anticoagulant together with an NSAID can raise the likelihood of serious bleeding compared with taking either agent on its own1234, and in patients undergoing neuraxial anesthesia or spinal puncture it can heighten the chance of epidural or spinal hematomas, which may lead to prolonged or permanent paralysis5. When these drugs are given together, watch for signs of bleeding124.
Why it happens (mechanism)
Additive effect on hemostasis
How to manage this interaction
This combination can be used with care. Because both drugs affect bleeding, your care team may monitor you more closely and tailor your treatment to your situation.
- Keep taking both exactly as prescribed unless your prescriber tells you otherwise.
- Report bleeding signs: unusual bruising, nosebleeds, bleeding gums, red or dark urine, black or bloody stools, or vomit that looks like coffee grounds.
- Tell any provider you take both before any spinal procedure, epidural, or spinal tap, since these raise a special risk.
- Ask your pharmacist whether a different pain reliever might be a better fit for you.
Management is individual — confirm any change with your pharmacist or prescriber.
Common questions
Can I take Rofecoxib and Apixaban together?
Combining apixaban (Eliquis) with the NSAID rofecoxib can add up to a higher bleeding risk, so watch for bleeding signs and check with your doctor or pharmacist before changing anything. Always confirm with your pharmacist or prescriber before making any change.
How serious is the Rofecoxib and Apixaban interaction?
It is rated major. Potentially serious — often needs a change or close monitoring.
How quickly could this interaction happen?
The documented onset is "unspecified". The timing of this interaction is not well characterized.
How is the Rofecoxib and Apixaban interaction managed?
This combination can be used with care. Because both drugs affect bleeding, your care team may monitor you more closely and tailor your treatment to your situation. Keep taking both exactly as prescribed unless your prescriber tells you otherwise. Report bleeding signs: unusual bruising, nosebleeds, bleeding gums, red or dark urine, black or bloody stools, or vomit that looks like coffee grounds.… Management is individual — always follow your own care team's guidance.
How strong is the evidence for this interaction?
The evidence is graded "theoretical". Predicted from the drugs' pharmacology; not yet confirmed in people.
From our Q&A
Real reader questions about these medications, each personally answered by our pharmacist:
Questions for your pharmacist
- Does my dose of Rofecoxib or Apixaban need adjusting while I take them together?
- What symptoms should prompt me to call you or my prescriber right away?
- Does the timing of my doses matter for this combination?
- Is there a safer alternative to one of these medications for me?
References (5)
- Product Information: CALDOLOR(R) intravenous injection, ibuprofen intravenous injection. Cumberland Pharmaceuticals Inc. (per FDA), Nashville, TN, 2016. DailyMed
- Product Information: CELEBREX(R) oral capsules, celecoxib oral capsules. GD Searle LLC (per FDA), New York, NY, 2016. DailyMed
- Product Information: COUMADIN(R) oral tablets, intravenous injection powder for solution, warfarin sodium oral tablets, intravenous injection powder for solution. Bristol-Myers Squibb Company (per manufacturer), Princeton, NJ, 2015. DailyMed
- Product Information: COMBOGESIC(R) oral tablets, acetaminophen ibuprofen oral tablets. AFT Pharmaceuticals Inc (per FDA), Highland, MD, 2023. DailyMed
- Product Information: PRADAXA(R) oral capsules, dabigatran etexilate oral capsules. Boehringer Ingelheim Pharmaceuticals Inc (per FDA), Ridgefield, CT, 2023. DailyMed
Keep reading about Apixaban
Keep reading about Rofecoxib
These medications also interact with supplements
Prescription drugs aren't the whole picture — herbal and dietary supplements can interact with them too. From the evidence-graded Natural Medicines database:
major · moderate · minor — check everything you take with our drug–supplement interaction checker.
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