Compounded Maropitant from PetScript Pharmacy is a fast-acting, non-drowsy medication used to stop or prevent nausea and vomiting in dogs and cats. PetScript Pharmacy compounds Maropitant in two sized a 50mg/ml and 100mg/ml with a variety of flavors to choose from. Compounded Maropitant works by reducing the feeling of nausea in your dog’s central nervous system