Immune Thrombocytopenia (ITP)
Autoimmune Thrombocytopenic Purpura, Idiopathic Thrombocytopenic Purpura, Immune Thrombocytopenic Purpura
An autoimmune disorder in which the immune system destroys platelets. The destruction of platelets leads to abnormal blood clotting and easy or excessive bruising and bleeding. In most cases, an autoimmune response is thought to cause immune thrombocytopenia (ITP). The disorder may also develop with a viral infection, including HIV.