A 65-year-old man with AF is starting warfarin. Which interaction is most clinically important?...

Question

A 65-year-old man with AF is starting warfarin. Which interaction is most clinically important?

Accepted Answer

Clarithromycin increases bleeding risk with warfarin

Answer

Paracetamol 1 g QDS reduces INR

Answer

Green leafy vegetables always increase INR

Answer

Simvastatin lowers INR to subtherapeutic

Answer

Warfarin has no interactions with alcohol

prescribing safety assessment MCQ (SBA): Warfarin interactions