Tab ← All covered medications
Heart, blood pressure & cholesterol

Warfarin

Warfarin is a covered generic medication on Tab's $0 list. Here's what it's used for, typical dosing, and side effects, sourced from FDA-approved drug labeling.

$0 with active Tab membership Oral

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

Warfarin 10mg TabletWarfarin 1mg TabletWarfarin 2.5mg TabletWarfarin 2mg TabletWarfarin 3mg TabletWarfarin 4mg TabletWarfarin 5mg TabletWarfarin 6mg TabletWarfarin 7.5mg Tablet

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.

See the full covered list. Find yours in seconds.

Search all medications →
Tab is a membership and prescription-discount program—not insurance, and not a substitute for it. $0 pricing applies to medications on the current covered generic list with active membership, at participating pharmacy locations nationwide or through mail order, and is subject to change. Mail-order home delivery is preferred for recurring prescriptions; activation, availability, and delivery timing apply. This page is for general reference, drawn from FDA-approved drug labeling, and is not medical advice. Only a licensed clinician can determine if a medication is right for you.