List of products in the National Drug Code with proprietary name . This medication is a cephalosporin-type antibiotic used to treat a wide variety of bacterial infections (e.g., middle ear, skin, urine and respiratory tract infections). It works by stopping the growth of bacteria. This antibiotic only treats bacterial infections. It will not work for viral infections (e.g., common cold, flu). Unnecessary use or overuse of any antibiotic can lead to its decreased effectiveness.