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Interazioni tra farmaci

Cefotetan + Warfarin

Gravità: Maggiore

Cefotetan and Warfarin: major interaction.

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Sintesi

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

Cosa significa questa interazione in parole semplici

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.

Livello di evidenza: Moderate

Perché avviene

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

Cosa fare

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

Cosa chiedere al farmacista

  • 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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Domande frequenti

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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