Frequent gastrointestinal discomfort in a 16 year old child is usually caused by poor diet, bad mood or gastrointestinal disease, and does not necessarily require a gastroenteroscopy, but can also be done with a barium meal. If a 16-year-old child is often upset stomach and intestines, it may be caused by poor diet or bad mood, etc., or it may be caused by gastrointestinal diseases, such as dyspepsia, gastritis, Helicobacter pylori infection, duodenal ulcer or other intestinal diseases, which can easily cause stomach pain and discomfort, etc., it does not necessarily need to do a gastroenteroscopy, and you can also consider doing a barium meal test. However, 16-year-old children often gastrointestinal discomfort, and pain is obvious, accompanied by nausea, vomiting and other symptoms, you can consult a professional doctor’s opinion of the examination, consider doing gastroenteroscopy, to find the cause of the disease, timely treatment. In addition, you should pay attention to the diet is light, easy to digest, do not eat too cold, greasy or spicy stimulating food, can relieve gastrointestinal discomfort, promote gastrointestinal health. It is recommended that 16-year-old children often gastrointestinal discomfort timely medical treatment to avoid adverse consequences.