How should 3 years old darling have a fever collywobbles be treated

3-year-old baby fever stomachache may be caused by fever gastrointestinal discomfort, if the baby's temperature is below 38.5 degrees, you can cool down by warm water bath, if the temperature is above 38.5 degrees, you can cool down by oral antipyretic; parents can gently massage the baby's abdomen with their hands to help relieve discomfort.