that covers heartworm disease, ticks and fleas, round and hookworms. dogs get triple protection in just one simparica trio! this drug class has been associated with neurologic adverse reactions, including seizures. use with caution in dogs with a history of these disorders. protect him with all your heart. simparica trio. sh. before, they would've heard me taking the car. before, i didn't have an wapp that showed me. when she was taking the car. before, the chance of an suv handling more like a hot hatch? uh, none. he won't know a world before electric.