8-year-old child diarrhea, vomiting how to do

You should immediately take your child to a regular hospital for blood culture, vomit detection and other related examinations to investigate disease factors; if acute gastroenteritis is diagnosed, you should take antibiotics, antidiarrheal, antiemetic and other drugs for treatment according to doctor's advice; give your child more hot water to maintain the balance of water and electrolyte in his body.