sulfamethoxazole/trimethoprim

sulfamethoxazole/trimethoprim,

n brand names: Bactrim, Cotrim, Septra, Sulfatrim, Sulfamethoprim, Triazole, Uroplus SS;
drug class: sulfonamide and folic acid antagonist;
action: interferes with bacterial biosynthesis of proteins by competitive antagonism of paraaminobenzoic acid (PABA) when adequate levels are maintained;
uses: treatment of urinary tract infections, otitis media.