7
The PT is also used to compute the measure most commonly used to adjust the warfarin dose, known as the INR (or International Normalized Ratio)
Inability to achieve a therapeutic INR value while on concurrent warfarin and rifampin
0 Greater than 2
For the most part, you can pretty much expect to repeat the same dose on days 2 (and likely 3) of initiation
5mg per week
Parenteral Vitamin K should only be used for life-threatening bleeding and is therefore not appropriate for outpatient use
5 1
Evidence has shown improved
Your INR can change for many reasons
Minor episodes of bleeding 8
The prescriber should enlist the services of a pharmacist to help "dial in" the warfarin dose, and inpatients often have their INR and dose adjustment handled by a
Warfarin, a vitamin K antagonist, is an oral anticoagulant indicated for the prevention and treatment of venous thrombosis and its extension and the prevention and treatment of the Providers can gauge the clinical relevance of a drug interaction based on its anticipated onset and offset and dose-adjust accordingly
• Call the clinic if you are prescribed any of the following medicines; you may need an adjustment to your Coumadin dose: – Amiodarone (Pacerone or Cordarone) The goal of warfarin therapy is to decrease the clotting tendency of blood, not to prevent clotting completely