# Warfarin Sodium (Coumadin)

Source: https://ourhealthnetwork.com/drugs/warfarin-sodium
Data: FDA Orange Book and OpenFDA, refreshed periodically

## What is Warfarin Sodium?

Warfarin Sodium (brand name: Coumadin) is an anticoagulant (blood thinner). It is prescribed to treat postoperative complications, stroke, atrial fibrillation. Across the United States, 105,000 doctors prescribe Warfarin to approximately 662,000 Medicare patients.

## Brand names

Coumadin

## Indications

Warfarin Sodium is prescribed for several conditions including postoperative complications, stroke, atrial fibrillation, among others.

## Conditions treated

- [Postoperative Complications](https://ourhealthnetwork.com/conditions/postoperative-complications)
- [Stroke](https://ourhealthnetwork.com/conditions/stroke)
- [Atrial Fibrillation](https://ourhealthnetwork.com/conditions/atrial-fibrillation)
- [Thromboembolism](https://ourhealthnetwork.com/conditions/thromboembolism)
- [Thrombophlebitis](https://ourhealthnetwork.com/conditions/thrombophlebitis)
- [Pulmonary Embolism](https://ourhealthnetwork.com/conditions/pulmonary-embolism)

## Mechanism of action

Warfarin acts by inhibiting the synthesis of vitamin K-dependent clotting factors, which include Factors II, VII, IX, and X, and the anticoagulant proteins C and S. Vitamin K is an essential cofactor for the post ribosomal synthesis of the vitamin K-dependent clotting factors.

## Drug classification

- Established Pharmacologic Class: Anticoagulant (Blood Thinner)
- Route of administration: ORAL

## Common side effects

bleeding, bruising, nausea, abdominal pain, skin rash

## Sources and disclaimers

- FDA Orange Book and OpenFDA dataset
- This information is for educational purposes only and does not constitute medical advice. Always consult a healthcare professional before starting, stopping, or changing any medication.

## Related

- [All drugs](https://ourhealthnetwork.com/drugs)
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- [Methodology](https://ourhealthnetwork.com/methodology)