👉 In medicine, a hemostatic is a substance that helps to prevent blood loss or bleeding in the body. This can occur due to various causes such as trauma, surgery, certain medications, or even internal bleeding. Hemostatics are typically administered intravenously and include factors like thrombin (a protein produced by the liver), heparin, and platelets. They help to strengthen the blood vessel walls and prevent clotting of blood. In terms of specific types of hemostatics used