Haemostatic agents act to conserve blood but have differing sites of action in the complex pathways determining coagulation and fibrinolysis. Antifibrinolytics inhibit the activation of plasminogen to plasmin, prevent the break-up of fibrin and maintain clot stability. They are used to prevent excessive bleeding.
This is a companion discussion topic for the original article at https://patient.info/doctor/antifibrinolytic-drugs-and-haemostatics