Used primarily as an anticoagulant to prevent and treat blood clots, it is commonly prescribed for conditions such as deep vein thrombosis, pulmonary embolism, and atrial fibrillation. It is also utilized to reduce the risk of stroke in patients with certain heart conditions or artificial heart valves. Additionally, it plays a role in managing patients with a history of myocardial infarction. In some cases, it is employed in rodent control as a pesticide due to its ability to inhibit blood clotting in pests. Proper dosage and monitoring are critical to avoid complications such as excessive bleeding.