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Interactions médicamenteuses

Alteplase + Tranexamic acid

Gravité: Majeure

Alteplase and Tranexamic acid: major interaction.

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Résumé

Tranexamic acid blocks fibrinolysis and therefore directly opposes the clot-dissolving action of alteplase. This can reduce thrombolytic efficacy, and it is also relevant that tranexamic acid is used to reverse thrombolytic-related bleeding.

Ce que signifie cette interaction, en termes simples

Alteplase and Tranexamic acid 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.

Alteplase belongs to Cardiovascular; Tranexamic acid belongs to Cardiovascular.

Niveau de preuve: High

Pourquoi elle survient

Pharmacodynamic antagonism: tranexamic acid blocks lysine binding sites on plasminogen, preventing plasmin formation and fibrin degradation.

Conduite à tenir

Avoid concurrent use when thrombolysis is intended. Use tranexamic acid only deliberately to treat life-threatening alteplase-related bleeding.

Questions à poser à votre pharmacien

  • 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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Questions fréquentes

Can I take Alteplase with Tranexamic acid?

MediHelp rates the interaction as major. Alteplase and Tranexamic acid 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. Tranexamic acid blocks fibrinolysis and therefore directly opposes the clot-dissolving action of alteplase. This can reduce thrombolytic efficacy, and it is also relevant that tranexamic acid is used to reverse thrombolytic-related bleeding.

How serious is the interaction between Alteplase and Tranexamic acid?

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 when thrombolysis is intended. Use tranexamic acid only deliberately to treat life-threatening alteplase-related bleeding.

What other medicines interact with Alteplase?

MediHelp also lists interactions of Alteplase with, for example, Defibrotide, Reteplase, Tenecteplase. The full list is on the Alteplase page.

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