<unk>  is a folic acid antagonist that is FDA approved for the treatment of uncomplicated urinary tract infection.   Common adverse reactions include pruritus and rash.
Trimethoprim
Sulfamethoxazole
Gemifloxacin mesylate
Lomefloxacin hydrochloride
Rufloxacin
Moxifloxacin 
Quinolone
Cyclacillin