26th July 2024

A 75-year-old female is seen at her regular warfarin clinic. She has recently been unwell

A 75-year-old female is seen at her regular warfarin clinic. She has recently been unwell and been prescribed an oral antibiotic for a urine infection. Her INR comes back as 6. Which medication is most likely to have caused this?

Select the SINGLE most appropriate option from the list below. Select ONE option only.