in a controlled clinical trial based on 30 geriatric patients with recurrent urinary tract infection , 12 out of 17 patients fulfilled a 12-month treatment with sulphamethoxazole/trimethoprim ( bactrim ) with continuous sterile urine compared to 1 out of 13 patients treated with nitrofurantoin ( p less than 0.05 ) .
C0041044
sulphamethoxazole/trimethoprim
C0591139
bactrim