Leflox Injection 500mg 100mlProduct Overview Product Form: Injectable Solution Pack Size: 100ml Prescription Required: Yes Leflox Injection 500mg 100ml Leflox Injection 500mg 100ml is a potent and effective antibiotic that falls under the category of fluoroquinolones, commonly used to combat a variety of bacterial infections. The active ingredient, levofloxacin, works by interfering with the bacteria's DNA replication process, effectively halting their growth and multiplication.