Warfarin (Варфарин)

Name:Warfarin (Warfarin)

Indications for use:
Venous thrombosis and predisposition to them, as well as preventive treatment of thrombosis and thromboembolism. Short-term indications for treatment are acute venous thrombosis and pulmonary embolism, postoperative thrombosis, acute myocardial infarction, surgical and thrombolytic treatment of thrombosis, in case of atrial flutter for cardioversion. Long-term treatment is recommended for recurrent venous thrombosis, prosthetic heart valves and blood vessels, transient ischemic attacks and a number of other indications that are identified by the attending physician.

Pharmacological action:
Warfarin contains elements that do not allow blood to clot. The drug inhibits the action of vitamin K, which is actively involved in blood clotting. As a result, the likelihood of blood clots (blood clots) is reduced.
With vein thrombosis, doctors most often prescribe indirect anticoagulants for treatment. This is necessary to prevent the re-formation of blood clots, which can adversely affect the general condition of the body and lead to disastrous consequences or complications. The risk of thrombosis remains elevated for about a year after the first event.

Before prescribing the product, a detailed examination is carried out, which allows you to identify possible side effects and prescribe the correct treatment.
As a rule, it is required to take up to 5 milligrams of the product per day. If adjustment of the course of treatment is necessary, other doses of the drug are prescribed. It would be useful to have a small notebook for recording the doses taken, the INR level, and side effects. This data may be useful to the attending physician.

Tablets are recommended to be taken with water and taken twice every day. It is highly undesirable to take warfarin with food. It is also important to consider that at the initial stage of treatment it is not recommended to take the product in “loading” doses, that is, in doses exceeding 5 milligrams.

Warfarin (Warfarin) method of administration and doses:
Treatment is carried out for 6-12 months. The selection of the optimal dosage is carried out from 2 weeks to 2 months.

Warfarin (Warfarin) contraindications:
There are few of them, but still you should not prescribe the product if you have acute bleeding, severe liver and kidney dysfunction, or acute arterial hypertension. Pregnancy is also a contraindication for taking warfarin.

Warfarin (Warfarin) side effects:
Black, tarry stools and indigestion; bleeding from the nose or gums; heavy and prolonged menstrual flow; increased activity of liver enzymes; swelling and bruising that occur for no apparent reason in various parts of the body; the appearance of skin spots on the thighs, abdominal wall, mammary glands; hemorrhages; eczema; hair loss.

Pregnancy is a contraindication for taking the product. It is also recommended to stop breastfeeding during the first three days of taking the product.

In case of overdose of the product, bleeding and high bleeding may occur.

Use with other drugs:
The use of almost any drug product can affect the absorption of warfarin. However, most often take into account the patient’s intake of antibiotics and oral antidiabetic agents.

Release form:
Warfarin is available in tablets of 2.5 milligrams.

Storage conditions:
In a dry, dark place at room temperature.


When taking the product, it is not recommended to engage in traumatic sports. Do not give intramuscular injections. Also avoid taking warfarin again. In case you do not remember whether you took the medicine, it is better to skip the dose.

Tell your doctor if you are taking anticoagulants.

With the normal functioning of the liver, alcohol is allowed, but you should not abuse it.

Before using the medication“Warfarin (Warfarin)” must be consulted with a doctor.
The instructions are provided solely for familiarization with “Warfarin (Warfarin) ».

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