Rash (allergic dermatitis & rash erythematous), pruritus, urticaria; decreased therapeutic response, pyrexia; venous thromboembolic events (DVT, thrombosis at IV site, pulmonary embolism, thromboembolic events of liver including portal vein thrombosis, renal vein thrombosis, thrombophlebitis, superficial thrombophlebitis & intestinal ischaemia). Antibody formation.