4-year-old child vomited twice in the evening after fever 38 degrees stomachache how to treat

4-year-old child vomited twice at night after a fever of 38 degrees abdominal pain, mainly considered to be caused by bacterial infection, active treatment. Can follow the doctor's advice to use anti-inflammatory drugs, give the child to eat light food, such as noodles, strengthen water intake, ice pack placed on the forehead.