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[9] [11] It may also be used for reversal of warfarin therapy. [11] It is given by slow injection into a vein. [9] Another product, activated prothrombin complex concentrate or FEIBA (Factor Eight Inhibitor Bypassing Agent), may be used for acquired hemophilia. [12] Common side effects include allergic reactions, headache, vomiting, and sleepiness.
Warfarin is indicated for the prophylaxis and treatment of venous thrombosis and its extension, pulmonary embolism; [9] prophylaxis and treatment of thromboembolic complications associated with atrial fibrillation and/or cardiac valve replacement; [9] and reduction in the risk of death, recurrent myocardial infarction, and thromboembolic events such as stroke or systemic embolization after ...
Warfarin is a commonly prescribed oral anticoagulant, or blood thinner used to treat blood clots such as deep vein thrombosis and pulmonary embolism and to prevent stroke in people who have atrial fibrillation, valvular heart disease or artificial heart valves. [9]
The normal range for a healthy person not using warfarin is 0.8–1.2, and for people on warfarin therapy an INR of 2.0–3.0 is usually targeted, although the target INR may be higher in particular situations, such as for those with a mechanical heart valve. If the INR is outside the target range, a high INR indicates a higher risk of bleeding ...
An anticoagulant, commonly known as a blood thinner, is a chemical substance that prevents or reduces the coagulation of blood, prolonging the clotting time. [1] Some occur naturally in blood-eating animals, such as leeches and mosquitoes, which help keep the bite area unclotted long enough for the animal to obtain blood.
Since a low therapeutic index indicates that there is a high risk of toxicity when using the drug, any potential increases in warfarin concentration could be very dangerous and lead to hemorrhage. In horses, it is very true that if warfarin and phenylbutazone are administered concurrently, the horse can develop bleeding issues which can be ...
They are categorised as "first-generation" anticoagulants, and have similar effects as warfarin. They have been largely superseded by second-generation anticoagulants because warfarin-resistant rodents have become more common. [6] Anisindione, fluindione, and phenindione are oral anticoagulant medicines with actions similar to warfarin. However ...
The monitoring of warfarin and keeping the international normalized ratio (INR) between 2.0 and 3.0, along with avoiding over and under treatment, has driven a search for an alternative. [3] [14] A naturally occurring inhibitor of factor Xa was reported in 1971 by Spellman et al. from the dog hookworm. [15]