Adolescent Adult Aged Anti-Infective Agents, Urinary--therapeutic use Cinoxacin--therapeutic use Clinical Trials as Topic Drug Combinations--therapeutic use Female Humans Middle Aged Pyridazines--therapeutic use Sulfamethoxazole--therapeutic use Trimethoprim--therapeutic use Trimethoprim, Sulfamethoxazole Drug Combination Urinary Tract Infections--drug therapy Urination Disorders--drug therapy