What it's used for
Warfarin sodium is used for the prevention and treatment of venous thrombosis and pulmonary embolism, management of thromboembolic complications from atrial fibrillation or heart valve replacement, and reducing the risk of death, recurrent heart attack, and stroke after myocardial infarction.
Source: U.S. FDA-approved prescribing information (openFDA).
Typical dosing
Dosing must be individualized for each patient and adjusted based on INR response, with daily INR determinations upon initiation until stable in the therapeutic range.
Dosing shown here is the general FDA-labeled range. Your prescribing clinician determines the exact dose, form, and schedule for you — this is not a substitute for medical advice.
Boxed warning / key safety info
Warfarin sodium can cause major or fatal bleeding, requiring regular INR monitoring in all treated patients.
Common side effects
Serious adverse reactions include hemorrhage, tissue necrosis, calciphylaxis, acute kidney injury, and systemic atheroembolism.
Covered strengths on the Tab $0 list
Covered at $0 with an active Tab membership when filled at a participating pharmacy nationwide or through mail order. A licensed clinician must prescribe the medication.
Related medications
Other heart, blood pressure & cholesterol medications covered at $0 with an active Tab membership.