to study the effects of continous low doses of antibacterial agents after eradication of bacteriuria in patients with recurrent urinary tract infection , 31 patients with documented recurrent urinary tract infection were allocated alternately to treatment with either co-trimoxazole ( 400 mg of suphamethoxazole and 80 mg of trimethoprim each night ) or methenamine hippurate ( 1 g each night ) .
C0004659
bacteriuria
C0066105
methenamine hippurate