Levowell, Levofloxacin is a broad-spectrum antibiotic belonging to the fluoroquinolone class, used to treat a variety of bacterial infections. It works by inhibiting bacterial DNA gyrase and topoisomerase IV, enzymes necessary for DNA replication, transcription, repair, and recombination. This action causes the death of bacteria and helps to clear infections. Mechanism of Action Levofloxacin tar..