Toltrazuril  is a triazinon drug thathas broad-spectrum anticoccidial and antiprotozoalactivity. It is not commercially available in the UnitedStates, but it is available in other countries. It is activeagainst both asexual and sexual stages of coccidia byinhibiting nuclear division of schizonts and microga-monts and the wall-forming bodies of macrogamonts. Itmay also be useful in the treatment of neonatal porcinecoccidiosis, EPM, and canine hepatozoonosis.