By tradition, the term idiopathic<unk>  is used when the cause is idiopathic. However, most cases are now considered to be immune-mediated. Another form is thrombotic<unk> .
Thrombocytopenic purpura
Nonthrombocytopenic purpura
Heparin-induced thrombocytopenia
Immune thrombocytopenic purpura
Phlebothrombosis
Drug-induced thrombocytopenic purpura
Thrombotic thrombocytopenic purpura
Drug-induced purpura