| Previous hypersensitivity to unfractionated Heparin, Patients with thrombocytopenia prior to therapy,Recent childbirth, Peptic ulcer , Renal impairment (dose reductions if severe), Liver disease (alterations in hemostasis may affect response to nadroparin), Recent lumbar puncture, Vasculitis, Concurrent use of Aspirin (increased bleeding risk), Pericarditis or Pericardial effusion. |