Warfarin is an anticoagulant medication used to treat cardiovascular disease, which inhibits vitamin K-dependent clotting factors. It has no action on already formed clots, but works to prevent the appearance of new thrombi in blood vessels.
Warfarin may be purchased from conventional pharmacies under the trade names Coumadin, Marevan or Varfine. However, a prescription is required to buy this type of medicine.
Warfarin Price
The price of warfarin is approximately 10 reais, however, the amount may vary depending on the brand and dosage of the drug.
Indications of Warfarin
Warfarin is indicated for the prevention of thrombotic diseases, such as pulmonary embolism, deep vein thrombosis or acute myocardial infarction. In addition, it may also be used in the treatment of atrial arrhythmia or rheumatic heart disease.
How to use Warfarin
The mode of use of Warfarin usually consists of:
- Initial dose: 2.5 to 5 mg daily.
- Maintenance dose: 2.5 to 10 mg per day.
However, dosage and duration of treatment should always be guided by the physician.
Side Effects of Warfarin
The main side effects of warfarin include hemorrhage, anemia, hair loss, fever, nausea, diarrhea and allergic reactions.
Contraindications of Warfarin
Warfarin is contraindicated for pregnant women and patients with intestinal ulcer, renal or hepatic insufficiency, recent surgery to the brain, eyes or spinal cord, cancer of the viscera, deficiency of vitamin K, severe hypertension or bacterial endocarditis.
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Vitamin K
