Prulifloxacin Products | Cleanchem - Prulifloxacin is a broad-spectrum antibiotic used to treat a variety of bacterial infections, including respiratory and urinary tract infections. It belongs to the fluoroquinolone class of antibiotics and works by inhibiting the enzymes responsible for bacterial DNA replication, which prevents bacterial growth. Prulifloxacin is typically used when other antibiotics are not effective or appropriate.