RECOMMENDED DOSE OF IPRIVASK IS 15 MG EVERY 12 HOURS ADMINISTERED BY SUBCUTANEOUS INJECTION WITH THE INITIAL DOSE GIVEN UP TO 5 TO 15 MINUTES PRIOR TO SURGERY, BUT AFTER INDUCTION OF REGIONAL BLOCK ANESTHESIA, IF USED. UP TO 12 DAYS, ADMINISTRATION (AVERAGE DURATION 9 TO 12 DAYS) OF DESIRUDIN HAS BEEN WELL TOLERATED.