Norfloxacin and levofloxacin belong to the quinolone class of drugs, both drugs can be used to treat inflammation of the urinary tract, there is no saying which drug is better. Norfloxacin is suitable for the treatment of urinary tract infections caused by sensitive bacteria, gonorrhea, prostatitis and intestinal infections, but in the process of use, there may be diarrhea, stomach upset and other gastrointestinal reactions, as well as dizziness, headache and other neurological adverse reactions, which may lead to respiratory distress in severe cases, and is generally prohibited for use in people with tendonitis. Levofloxacin is mainly used for pyelonephritis, complicated urinary tract infections, etc., but in the process of use may have insomnia, headache, nausea, diarrhea and other adverse reactions, generally prohibited for people who are allergic to the components of levofloxacin. For the treatment of urinary tract infections, both drugs can be used, there is no which drug is better, specific can consult a professional physician.