SULPHAQUINOXALINE is a sulfonamide antibiotic which is commonly used in veterinary medicine. It is used as a coccidiostat in chickens coccidiosis against Eimeria tenella, E. maxima, E. necatrix, E. brunetti or E. acervulina, in turkeys coccidiosis against by E. adenoeides or E. meleagrimitis, in cattle coccidiosis against E. zurnii or E. bovis. In turkeys and chickens, it is also used to treat fowl typhoid and acute fowl cholera.