several randomized , comparative trials showed that in uncomplicated uti norfloxacin , ciprofloxacin , and ofloxacin were at least as effective as trimethoprim-sulfamethoxazole ( tmp-smz ) and amoxicillin and usually more effective than nalidixic acid , pipemidic acid , and nitrofurantoin .
C0042029
uti
C0028156
nitrofurantoin