Hemorrhage

Hemorrhage is defined as the escape of blood from the circulatory system due to vascular injury or impaired hemostatic mechanisms (StatPearls, 2023). It is a clinical condition and physiological event rather than a specific molecular target such as a protein, enzyme, or receptor. In a pharmacological context, 'hemorrhage' is an indication for treatment rather than the target itself, with therapeutic interventions aimed at biological components of the coagulation cascade or fibrinolytic system to stop blood loss (NIH, 2022). Drugs such as tranexamic acid target plasminogen to prevent clot breakdown, while others replace specific clotting factors to restore the body's ability to form stable thrombi (PubMed, 2021). Because it lacks a specific molecular structure or binding site, it is classified as an incorrect entry for a drug target database.

Other names

BleedingBlood lossExsanguinationInternal bleedingExternal bleeding

Pharmacological agents used in the management of hemorrhage typically act as antifibrinolytics (inhibiting plasminogen activation), procoagulants (replacing deficient clotting factors), or vasopressin analogs to promote platelet adhesion and factor release.