Piperacillin is widely used in the medical field as an antibiotic to treat a variety of bacterial infections. It is particularly effective against infections caused by susceptible strains of both gram-positive and gram-negative bacteria. Common applications include treating respiratory tract infections, urinary tract infections, abdominal infections, skin and soft tissue infections, and septicemia. It is often used in combination with beta-lactamase inhibitors like tazobactam to enhance its efficacy against beta-lactamase-producing bacteria. Piperacillin is also employed in hospital settings for managing infections in immunocompromised patients, such as those undergoing chemotherapy or organ transplants. Its broad-spectrum activity makes it a valuable tool in combating serious and life-threatening infections.