4-year-old child has a fever suddenly say headache stomachache how to return a responsibility

4-year-old child suddenly has a fever and says headache and stomachache, first consider it caused by acute gastroenteritis. Secondly, consider it caused by appendicitis. In addition, do not rule out the possibility of mesenteric lymph node inflammation. If it is caused by acute gastroenteritis, anti-inflammatory, rehydration, fever and other drugs can be used.