<unk>  is a direct thrombin inhibitor that is FDA approved for the {{{indicationType}}} of deep vein thrombosis in patients undergoing elective hip replacement surgery. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include hemorrhage, injection site mass, wound secretion, anemia, deep thrombophlebitis, and nausea.
Desirudin
Hirudin
Bivalirudin
Lepirudin 
Parnaparin
Tinzaparin
Otamixaban
Argatroban