Drug interactions
Betrixaban + Diflunisal
Severity: Major
Betrixaban and Diflunisal: major interaction.
Last updated Sources: EMA SmPC
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
NSAIDs increase bleeding risk when given with factor Xa inhibitors through platelet inhibition and GI mucosal injury.
What this interaction means in plain words
Betrixaban and Diflunisal 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 from factor Xa inhibition and NSAID-induced platelet dysfunction.
What to do
Avoid regular NSAID use and use acetaminophen for analgesia. If NSAID use is necessary, monitor for bleeding 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 Diflunisal
- Diflunisal + Ketorolac Contraindicated
- Diflunisal + Ketorolac intranasal Contraindicated
- Acemetacin + Diflunisal Major
- Acetazolamide + Diflunisal Major
- Alteplase + Diflunisal Major
- Amiloride + Diflunisal Major
Frequently asked questions
Can I take Betrixaban with Diflunisal?
MediHelp rates the interaction as major. Betrixaban and Diflunisal 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. NSAIDs increase bleeding risk when given with factor Xa inhibitors through platelet inhibition and GI mucosal injury.
How serious is the interaction between Betrixaban and Diflunisal?
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 regular NSAID use and use acetaminophen for analgesia. If NSAID use is necessary, monitor for bleeding and consider gastroprotection.
What other medicines interact with Diflunisal?
MediHelp also lists interactions of Diflunisal with, for example, Ketorolac, Ketorolac intranasal, Acemetacin. The full list is on the Diflunisal page.
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