Toltrazuril is an effective antiprotozoal medication primarily used to treat coccidiosis in dogs. Coccidiosis is an intestinal infection caused by protozoan parasites, particularly from the Eimeria or Isospora genera. These parasites can lead to severe gastrointestinal distress, including diarrhea, vomiting, weight loss, and dehydration, especially in young or immunocompromised dogs. Toltrazuril works by inhibiting the