Antithrombin III deficiency is a medical condition that leads to an increased risk of blood clots. Fortunately, there are several synonyms that can help identify this condition. These include thrombin inhibitor deficiency, AT III deficiency, and hereditary antithrombin deficiency. Other related terms include coagulation factor deficiencies and thrombotic disorders. It is important to know these synonyms so that people can search for information on their condition more easily, as well as give healthcare professionals a better understanding of the patient's medical history. Early diagnosis and treatment can help prevent serious complications associated with antithrombin III deficiency, such as deep vein thrombosis and pulmonary embolism.