"Description: Toltrazuril is an anticoccidial with activity against Eimeria spp. in poultry: - Eimeria acervulina, E. brunetti, E. maxima, E. mitis, E. necatrix and E. tenella in chickens. - Eimeria adenoides, E. galloparonis and E. meleagrimitis in turkeys. Indications: Coccidiosis of all stages like schizogony and gametogony stages of Eimeria spp. in chickens and turkeys. Contra-indications: Hypersensitivity to toltrazuril. Administration to animals with impaired hepatic and/or renal function. Side effects: At high dosages in laying hens egg-drop, and in broilers growth inhibition and polyneuritis can occur. After long-term treatment and high dosages crystalluria may occur."