SRS Pharmaceuticals Pvt. Ltd. Manufactures Piperacillin Sodium and Tazobactam for Injection. SRS Pharmaceuticals Pvt. Ltd. Is an ISO 9001: 2000 awarded company that also manufactures wide range of avant-garde finished pharmaceuticals formulations. Piperacillin Sodium and Tazobactam for Injection is an injectable antibacterial combination product consisting of the semisynthetic antibiotic piperacillin sodium and the beta-lactamase inhibitor tazobactam sodium for intravenous administration. This medicine is indicated for the treatment of Bacterial infections of the lungs and airways, the urinary tract, and the blood.