The spectrum of anticoccidial action of the drug Toltracox is based on the pharmacological action of the components of the drug - toltrazuril and trimethoprim. The combination of toltrazuril and trimethoprim provides a synergistic effect in the treatment of coccidiosis. truncata), which are found in domestic poultry. The drug has an anticoccidial effect on all stages of parasite development that occur inside the epithelial cells of the intestine. Toltracox is moderately toxic to birds, which does not prevent the formation of immunity to coccidiosis. The drug is compatible with feed additives, vitamins, and medications for poultry. It has a coccidiocidal action on all stages of intracellular development of Eimeria. Toltrazuril blocks respiratory enzymes,