Composition: COMPOSITION:EACH VIAL CONTAINS:PIPERACILLIN SODIUM STERILE IPEQ. TO PIPERACILLIN ANHYDROUS 4000 MG.TAZOBACTAM SODIUM STERILE IPEQ. TO TAZOBACTAM 500 MG.DISODIUM EDTA IP 1 MG.(A STERILE MIXTURE OF PIPERACILLIN SODIUM & TAZOBACTAM SODIUM WITH DISODIUM EDTA )