each of 201 men with symptoms and signs of acute urethritis was randomly assigned to one of two treatment regimens : ampicillin ( 2g ) plus probenecid ( 1g ) , or sulphamethoxazole-trimethoprim ( smx-tmp ) ( sulphamethoxazole 1600 mg plus trimethoprim 320 mg ) four tablets twice daily for two days .
C0041044
sulphamethoxazole-trimethoprim
C0038689
sulphamethoxazole