Urokinase is an enzyme that plays a crucial role in breaking down blood clots in the body. It is produced naturally by the kidneys and helps convert plasminogen into plasmin, which dissolves fibrin, a key component of blood clots. Urokinase is often used in medical treatments to manage conditions like pulmonary embolism and myocardial infarction. In clinical settings, urokinase can be administered as a medication to help restore blood flow in blocked arteries. It is typically given intravenously and is part of a broader category of treatments known as thrombolytics. While effective, its use must be carefully monitored due to potential risks, such as bleeding complications.