What is the primary use of warfarin?

Warfarin is primarily utilized as an anticoagulant, which means its main purpose is to prevent the formation of blood clots or to treat existing clots. By inhibiting vitamin K-dependent clotting factors in the liver, warfarin effectively reduces the blood's capacity to clot, thereby minimizing the risk of thromboembolic events such as strokes or deep vein thrombosis. This action is critical for individuals who may be at heightened risk for such complications due to conditions like atrial fibrillation, venous thromboembolism, or those with mechanical heart valves.

In contrast, the other options are aimed at different therapeutic goals. Lowering cholesterol levels is the primary function of statins and other lipid-lowering medications. Managing high blood pressure typically involves antihypertensive drugs, while treatments for seizures are specifically designated for anticonvulsants. Each of these pharmacological interventions addresses distinct health issues unrelated to the anticoagulant properties of warfarin.