Chemical formula:
C16H18FN3O3

Mechanism of action:
Norfloxacin, like other fluoroquinolones, inhibits bacterial DNA replication by targeting DNA gyrase and topoisomerase IV.
Uses:
Norfloxacin is used to treat urinary tract infections, prostatitis, and some sexually transmitted infections caused by susceptible bacteria.
Side effects:
Side effects can include gastrointestinal disturbances, CNS effects (e.g., headache, dizziness), phototoxicity, tendonitis or tendon rupture, and hypersensitivity reactions.