Drug interactions
Fondaparinux + Tenecteplase
Severity: Major
Fondaparinux and Tenecteplase: 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
Tenecteplase is a fibrinolytic with a significant risk of serious bleeding including intracranial hemorrhage. Anticoagulants such as fondaparinux add to this risk.
What this interaction means in plain words
Fondaparinux and Tenecteplase 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.
Fondaparinux belongs to Cardiovascular; Tenecteplase belongs to Cardiovascular.
Why it happens
Additive: plasminogen activation and fibrinolysis plus factor Xa inhibition.
What to do
Combine only under established protocols and monitor closely for bleeding and neurologic deterioration. Avoid invasive procedures and intramuscular injections where possible.
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
Other interactions of Tenecteplase
- Alteplase + Tenecteplase Contraindicated
- Acetylsalicylic acid + Tenecteplase Major
- Apixaban + Tenecteplase Major
- Argatroban + Tenecteplase Major
- Dabigatran etexilate + Tenecteplase Major
- Dalteparin + Tenecteplase Major
Frequently asked questions
Can I take Fondaparinux with Tenecteplase?
MediHelp rates the interaction as major. Fondaparinux and Tenecteplase 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. Tenecteplase is a fibrinolytic with a significant risk of serious bleeding including intracranial hemorrhage. Anticoagulants such as fondaparinux add to this risk.
How serious is the interaction between Fondaparinux and Tenecteplase?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Combine only under established protocols and monitor closely for bleeding and neurologic deterioration. Avoid invasive procedures and intramuscular injections where possible.
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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