Drug interactions
Argatroban + Reteplase
Severity: Major
Argatroban and Reteplase: 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
Reteplase is a thrombolytic that produces substantial fibrinolysis, and combining it with an anticoagulant such as argatroban markedly raises the risk of serious bleeding, including intracranial hemorrhage. The risk is greatest when anticoagulation is given around the time of lysis.
What this interaction means in plain words
Argatroban and Reteplase 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 pharmacodynamic effect: direct thrombin inhibition combined with plasminogen activation and fibrinolysis.
What to do
Use together only when clearly indicated and follow the labeled protocol for timing of anticoagulation relative to lysis. Monitor aPTT, hemoglobin and neurological status closely and be ready to stop therapy if bleeding 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 Reteplase?
MediHelp rates the interaction as major. Argatroban and Reteplase 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. Reteplase is a thrombolytic that produces substantial fibrinolysis, and combining it with an anticoagulant such as argatroban markedly raises the risk of serious bleeding, including intracranial hemorrhage. The risk is greatest when anticoagulation is given around the time of lysis.
How serious is the interaction between Argatroban and Reteplase?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use together only when clearly indicated and follow the labeled protocol for timing of anticoagulation relative to lysis. Monitor aPTT, hemoglobin and neurological status closely and be ready to stop therapy if bleeding 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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