The acute gastroenteritis is a very common problem in children. The frequency and duration of this condition involves a high discomfort for the child and his family, and significant costs, in connection with the purchase of therapeutic aids, medical visits, days of work lost by parents, requiring hospitalization. Vomiting is a typical symptom of the majority of the cases of acute gastroenteritis and is very often the cause of failure of oral rehydration use and hospitalization.