Drug interactions
Betrixaban + Rivaroxaban
Severity: Major
Betrixaban and Rivaroxaban: 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
Both drugs are oral factor Xa inhibitors, so combining them duplicates anticoagulant therapy and increases bleeding risk. Overlap is acceptable only briefly while switching agents.
What this interaction means in plain words
Betrixaban and Rivaroxaban 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 factor Xa inhibition from two agents of the same class.
What to do
Avoid concurrent use and switch by starting the new agent when the next dose of the other is due. Monitor for bleeding during the transition.
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 Rivaroxaban
- Defibrotide + Rivaroxaban Contraindicated
- Ketoconazole + Rivaroxaban Contraindicated
- Ketorolac + Rivaroxaban Contraindicated
- Abciximab + Rivaroxaban Major
- Acalabrutinib + Rivaroxaban Major
- Acetylsalicylic acid + Rivaroxaban Major
Frequently asked questions
Can I take Betrixaban with Rivaroxaban?
MediHelp rates the interaction as major. Betrixaban and Rivaroxaban 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. Both drugs are oral factor Xa inhibitors, so combining them duplicates anticoagulant therapy and increases bleeding risk. Overlap is acceptable only briefly while switching agents.
How serious is the interaction between Betrixaban and Rivaroxaban?
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 and switch by starting the new agent when the next dose of the other is due. Monitor for bleeding during the transition.
What other medicines interact with Rivaroxaban?
MediHelp also lists interactions of Rivaroxaban with, for example, Defibrotide, Ketoconazole, Ketorolac. The full list is on the Rivaroxaban page.
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