Cefazedone Products | Cleanchem - Cefazedone is a third-generation cephalosporin antibiotic used to treat serious bacterial infections, including sepsis, pneumonia, and infections of the gastrointestinal and urinary tracts. It works by inhibiting bacterial cell wall synthesis, leading to bacterial death. Cefazedone is often administered intravenously in hospital settings. Common side effects include rash, gastrointestinal disturbances, and potential allergic reactions.