Tags: Drug.
Piperacillin/tazobactam is a combination antibiotic containing the extended-spectrum penicillin antibiotic piperacillin and the β-lactamase inhibitor tazobactam. It is commercially available as e.g. Tazocin (Canada UK Australia and New Zealand marketed by Pfizer) and Zosyn (U.S. by Pfizer). The combination has activity against many Gram-positive and Gram-negative pathogens and anaerobes including Pseudomonas aeruginosa.