Idiopathic thrombocytopenic purpura (ITP) is a  disorder  that can lead to excessive bleeding or bruising. Idiopathic’ means the cause of the condition is unknown. Platelets are also called thrombocytes. ‘Thrombocytopenic’ means the blood does not have enough platelets. ‘Purpura’ means a person has excessive bruising. It is an autoimmune disease  in which your immune system attacks and destroys its own platelets. Platelets…