Eat onions after the stomach pain, as follows: First, may be due to the gastric mucosa stimulation by the onion, resulting in increased secretion of gastric acid, it will be easy to appear in the case of stomach pain, you can take oral gastric mucosa protector to carry out symptomatic treatment. Usually eat onions will not cause abdominal pain, but if abdominal pain must not be careless. Secondly, because the patient’s stomach and intestines are not particularly good, onions belong to the stimulating food, eat more than the gastrointestinal stimulation, abdominal pain is also the case, you can drink warm water to dilute. Third, the pain if diarrhea occurs, to check the cause of diarrhea, to see if there is no gastroenteritis occurs, there is no infection exists, if need to use antidiarrheal agents, usually the body of the food discharged after the abdominal pain should disappear.