in a prospective , randomized , double-blind study , the effect of ciprofloxacin ( 250 mg orally , twice daily ) was compared with that of trimethoprim-sulfamethoxazole ( 160 mg of trimethoprim and 800 mg of sulfamethoxazole orally , twice daily ) on 45 patients with complicated urinary tract infections .
C0008809
ciprofloxacin
C0042029
urinary