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Interações medicamentosas

Cefotetan + Warfarin

Gravidade: Grave

Cefotetan and Warfarin: major interaction.

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Para profissionais de saúde — apenas referência. Esta página é um resumo breve, não é aconselhamento médico nem substitui a bula oficial ou o julgamento clínico. Verifique sempre antes de prescrever ou dispensar.

O conteúdo clínico desta página está disponível apenas em inglês.

Resumo

Cefotetan has been associated with hypoprothrombinemia and bleeding, which can add to the effect of warfarin and markedly raise the INR.

O que esta interação significa em palavras simples

Cefotetan and Warfarin 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.

Cefotetan belongs to Anti Bacterial; Warfarin belongs to Cardiovascular.

Nível de evidência: Moderate

Por que acontece

Its N-methylthiotetrazole side chain inhibits vitamin K epoxide reductase and gut flora reduce vitamin K availability, adding to warfarin effect.

O que fazer

Monitor INR closely during therapy and consider vitamin K supplementation or an alternative antibiotic if INR rises. Reduce warfarin dose as indicated.

O que perguntar ao farmacêutico

  • 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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Perguntas frequentes

Can I take Cefotetan with Warfarin?

MediHelp rates the interaction as major. Cefotetan and Warfarin 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. Cefotetan has been associated with hypoprothrombinemia and bleeding, which can add to the effect of warfarin and markedly raise the INR.

How serious is the interaction between Cefotetan and Warfarin?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor INR closely during therapy and consider vitamin K supplementation or an alternative antibiotic if INR rises. Reduce warfarin dose as indicated.

What other medicines interact with Warfarin?

MediHelp also lists interactions of Warfarin with, for example, Defibrotide, Ketorolac, Abciximab. The full list is on the Warfarin page.

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