ITP in children is often related to viral infection, which may be an immune complex disease caused by the immune response after viral infection. Adults can be infected by HIV.

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Both are related to autoimmune reactions. SLE is a multi-system disease affecting multiple organs such as skin, joints, kidneys, etc., while ITP mainly affects the blood system, causing thrombocytopenia.

Both involve autoimmune responses that lead to inflammation and tissue damage. RA mainly affects the joints, causing joint inflammation and pain, while ITP mainly affects the blood system, causing bleeding tendencies.

Both are associated with autoimmune reactions, with Sjögren's syndrome primarily affecting the glands that produce saliva and tears, causing dry eyes and mouth.

An autoimmune reaction may cause thyroid dysfunction, resulting in hyper or hypothyroidism.

Aplastic anemia affects all types of cells. Due to a decrease in whole blood cells, patients suffer from anemia symptoms, infections, and bleeding tendencies, while ITP mainly presents with bleeding symptoms.

HIV is a disease that affects the immune system throughout the body, while ITP mainly affects the blood system

It is a disease caused by inflammation of small blood vessels, causing petechiae and petechiae to appear on the skin. It is usually associated with an abnormal immune system response but is not due to an abnormality in platelet function or number.

DIC is due to the imbalance of the coagulation and anticoagulation systems in the body, which activates the coagulation pathway, leading to the formation of microthrombi, while consuming coagulation factors and platelets, causing bleeding tendencies.

Internal bleeding caused by a deficiency of a clotting factor such as hemophilia A (factor VIII deficiency) or hemophilia B (factor IX).

The synthesis of coagulation factors caused by liver cirrhosis is reduced, causing internal bleeding.

DIC may cause multi-organ failure and bleeding, including thrombocytopenia. DIC is due to an imbalance in the systemic coagulation and anticoagulation systems, leading to the formation of microthromboses, while ITP is due to immune-mediated destruction of platelets.

Anemia due to insufficient iron intake or blood loss.

Anemia caused by the rapid destruction of red blood cells.