The child has a fever and vomits. What happened?

The child has a fever and vomiting may be caused by bacterial infection, viral infection, cold, intestinal infection, upper respiratory tract infection, gastrointestinal cold. It is recommended to take the child to do blood routine examination. If it is caused by gastrointestinal cold, it needs to be treated with cold medicine under the guidance of a doctor. During this time, patients should drink more water and rest more.