in therapeutic trials , trimethoprim 200 to 400mg daily has been shown to be comparable in efficacy with co-trimoxazole , ampicillin 2g , cephalexin 2g , oxolinic acid 1.5g and nitrofurantoin 200mg daily in the treatment of acute urinary tract infection .
C0041041
trimethoprim
C0041044
co-trimoxazole