👉 Hyperthrombinemia is a condition in which the body's production of a protein called thrombin is abnormal. This can lead to increased blood clots and bleeding, which can be dangerous if left untreated. It occurs when there is an overproduction of blood clotting factors by the liver or other organs, resulting in excessive activation of platelets (red blood cells that help form blood clots). Hyperthrombinemia can occur in any age group but is most common among older people and