Warfarin (coumadin)

Warfarin is an anticoagulant medicine used to treat cardiovascular diseases, which inhibits vitamin K-dependent clotting factors. It has no effect on clots already formed, but acts to prevent the appearance of new thrombi in blood vessels.

Warfarin can be purchased from conventional pharmacies under the trade names of Coumadin, Marevan or Varfine. However, a prescription is required to purchase this type of medicine.

Warfarin Price

The price of Warfarin is approximately 10 reais, however, the value may vary according to the brand and the dosage of the drug.

Indications of warfarin

Warfarin is indicated for the prevention of thrombotic diseases, such as pulmonary embolism, deep venous thrombosis or acute myocardial infarction. In addition, it can also be used to treat atrial arrhythmia or rheumatic heart disease.

How to use warfarin

How to use Warfarin generally consists of:

Initial dose: 2.5 to 5 mg daily. Maintenance dose: 2.5 to 10 mg daily.

However, the doses and duration of treatment should always be guided by the doctor.

Side Effects of Warfarin

The main side effects of Warfarin include bleeding, anemia, hair loss, fever, nausea, diarrhea and allergic reactions.

Contraindications to Warfarin

Warfarin is contraindicated for pregnant women and patients with intestinal ulcers, kidney or liver failure, recent brain, eye or spinal cord surgery, cancer of the viscera, vitamin K deficiency, severe hypertension or bacterial endocarditis.