Vomiting, fever, diarrhea, what's the cause?

Vomiting and fever is generally a symptom of respiratory tract infection or an early manifestation of gastroenteritis. It may be gastritis. If he only vomits and has fever, the general situation is fine. Then he can go to the hospital to check whether there is congestion in the throat or inflammation in the throat. If vomiting is not very frequent, he can give some oral drugs. Then he can continue to observe. If vomiting is very frequent and there is fever, in addition, look at the mental state. If the mental state is also very poor, this time to rule out encephalitis. In addition, some children, he is an acute gastritis, gastrointestinal cold, this time he is also likely to show fever and vomiting, can do some corresponding examinations, if early show fever vomiting, later show diarrhea, he may be an acute gastroenteritis, this time mainly anti-infection and rehydration, vomiting if very frequent, to rule out surgical diseases, such as intestinal obstruction and intussusception and the like.