Drug interactions
Argatroban + Betrixaban
Severity: Major
Argatroban and Betrixaban: 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
Betrixaban is an oral factor Xa inhibitor, and combining it with a parenteral direct thrombin inhibitor produces additive anticoagulation. This raises the risk of serious bleeding.
What this interaction means in plain words
Argatroban and Betrixaban 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 anticoagulant effect from factor Xa inhibition and direct thrombin inhibition.
What to do
Avoid concurrent use except during planned transitions. Monitor for bleeding and check aPTT and hemoglobin if overlap occurs.
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 Argatroban
- Argatroban + Defibrotide Contraindicated
- Argatroban + Ketorolac Contraindicated
- Argatroban + Mifepristone Contraindicated
- Abciximab + Argatroban Major
- Acalabrutinib + Argatroban Major
- Acetylsalicylic acid + Argatroban Major
Frequently asked questions
Can I take Argatroban with Betrixaban?
MediHelp rates the interaction as major. Argatroban and Betrixaban 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. Betrixaban is an oral factor Xa inhibitor, and combining it with a parenteral direct thrombin inhibitor produces additive anticoagulation. This raises the risk of serious bleeding.
How serious is the interaction between Argatroban and Betrixaban?
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 except during planned transitions. Monitor for bleeding and check aPTT and hemoglobin if overlap occurs.
What other medicines interact with Argatroban?
MediHelp also lists interactions of Argatroban with, for example, Defibrotide, Ketorolac, Mifepristone. The full list is on the Argatroban page.
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