Do not administer in patients w/ hematopoietic disorders eg, neutropenia or thrombocytopenia, haemorrhagic diathesis or other haemorrhagic disorders associated w/ prolonged bleeding time or conditions w/ increased risk of bleeding eg, GI ulcers, acute cerebral hemorrhage or several liver dysfunctions. Perform full blood counts w/in 2 wk of discontinuation. Discontinuation 10-14 days before elective surgery.