Thrombotic Thrombocytopenic Purpura, Hereditary, also known as upshaw-schulman syndrome, is related to thrombotic thrombocytopenic purpura and severe pre-eclampsia, and has symptoms including fever and tremor. An important gene associated with Thrombotic Thrombocytopenic Purpura, Hereditary is ADAMTS13 (ADAM Metallopeptidase With Thrombospondin Type 1 Motif 13). The drugs Prednisolone and Prednisolone acetate have been mentioned in the context of this disorder. Affiliated tissues include bone marrow and kidney, and related phenotypes are respiratory distress and jaundice