Tazicef (Ceftazidime Pentahydrate Injection) 1 Gram Vials 25/Pack by Pfizer (RX)Tazicef (Ceftazidime Pentahydrate Injection) is an antibiotic used to treat a variety of serious bacterial infections, particularly those caused by Gram negative bacteria. It is effective against infections in the respiratory tract, urinary tract, skin, abdomen, and the central nervous system, including meningitis. Tazicef works by inhibiting bacterial cell wall synthesis, leading to cell death. It is often administered intravenously in hospital