Antibiotic Use and Decrease in INR Levels Among Patients Taking Vitamin K Antagonists
JAMA - Journal of the American Medical AssociationResearchers have found an association between treatment with the antibiotic dicloxacillin and a decrease in international normalized ratio (INR; a measure of blood coagulation) levels among patients taking the vitamin K antagonists warfarin or phenprocoumon, according to a study in the July 21 issue of JAMA.