in further cross-over experiments in volunteers receiving co-trimazine 2x1000 mg or co-trimoxazole 2x960 mg for four days no or only slight activity was found in the urine against a sulphonamide-resistant group d streptococcus , but distinct synergistic activity between the components was found against four escherichia coli strains sensitive to trimethoprim and sensitive or resistant to sulphonamides .
C0041044
co-trimoxazole
C0041041
trimethoprim