for many years now , the combination trimethoprim plus sulfamethoxazole ( active ingredients of bactrim ) has proved to be an effective chemotherapeutic agent with a broad spectrum of antibacterial activity against both gram-positive and gram-negative organisms , including beta-hemolytic streptococci , staphylococci , pneumococci , haemophilus influenza , escherichia coli , proteus mirabilis , proteus vulgaris , klebsiella , enterobacter and citrobacter .
C0041044
combination trimethoprim
C0591139
bactrim