Tazobactam is penicillin antibiotics that fight bacteria in the body. Tazobactam is a combination medicine used to treat many different infections caused by bacteria, such as urinary tract infections, bone and joint infections, severe vaginal infections, stomach infections, skin infections, and pneumonia. This medication is sometimes given together with other antibiotics. Tazobactam may also be used for purposes not listed in this medication guide.In clinical treatment of a variety of mixed infection and pathogenic bacteria caused by serious infection, has an excellent curative effect.