Drug interactions
Fondaparinux + Reteplase
Severity: Major
Fondaparinux and Reteplase: major interaction.
Last updated
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 markedly increases hemorrhage risk including intracranial bleeding. Concurrent fondaparinux adds to this risk.
What this interaction means in plain words
Fondaparinux 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: fibrinolysis from plasminogen activation plus factor Xa inhibition.
What to do
Use together only when clearly indicated, such as in acute MI or stroke protocols, with close monitoring for bleeding and neurologic change. Have a plan for stopping 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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Other interactions of Fondaparinux
- Defibrotide + Fondaparinux Contraindicated
- Fondaparinux + Ketorolac Contraindicated
- Abciximab + Fondaparinux Major
- Aceclofenac + Fondaparinux Major
- Acetylsalicylic acid + Fondaparinux Major
- Alteplase + Fondaparinux Major
Frequently asked questions
Can I take Fondaparinux with Reteplase?
MediHelp rates the interaction as major. Fondaparinux 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 markedly increases hemorrhage risk including intracranial bleeding. Concurrent fondaparinux adds to this risk.
How serious is the interaction between Fondaparinux 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, such as in acute MI or stroke protocols, with close monitoring for bleeding and neurologic change. Have a plan for stopping therapy if bleeding occurs.
What other medicines interact with Fondaparinux?
MediHelp also lists interactions of Fondaparinux with, for example, Defibrotide, Ketorolac, Abciximab. The full list is on the Fondaparinux page.
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