Warfarin, a vitamin K antagonist, is the only oral anticoagulant available for use in the United States despite its narrow therapeutic range, considerable variability in dose response among patients, ...

Acetaminophen can increase a patient’s international normalized ratio (INR) in a dose-dependent manner. Concomitant use of acetaminophen and warfarin can result in a pharmacodynamic interaction ...

Globally, how many patients are estimated to be taking Warfarin and what are the main reasons the drug is prescribed? There are roughly 10 million people worldwide taking Warfarin, accounting for more ...

Am J Health Syst Pharm. 2006;63(16):1539-1542. We also considered the patient's use of nonprescription medications. He specifically denied any nonprescription drug use when diagnosed with CAP. The ...

Supplement pills bottles The patient in this case had been well-controlled on warfarin therapy for over 5 years following mitral valve replacement. Clinicians should be mindful of interactions between ...

The risk of venous thromboembolism (VTE) is higher after the total hip or knee replacement surgery than after almost any other surgical procedure; warfarin sodium is commonly prescribed to reduce this ...

The level of anticoagulation in response to a fixed-dose regimen of warfarin is difficult to predict during the initiation of therapy. We prospectively compared the effect of genotype-guided dosing ...

Patients have poor knowledge of warfarin, which may increase their risk of serious side effects, according to new research. Patients have poor knowledge of warfarin which may increase their risk of ...

It is unknown whether warfarin or aspirin therapy is superior for patients with heart failure who are in sinus rhythm. We designed this trial to determine whether warfarin (with a target international ...

DEAR DR. ROACH: This question is for my husband. How safe is drinking tea while on warfarin? He has his INR checked monthly, and for the most part it stays between 2 and 3. He watches his vitamin K ...