The main manifestations of gastroenteritis are nausea, vomiting, abdominal pain, diarrhea, fever, etc. Serious cases can lead to dehydration, electrolyte disorders, shock, etc. Patients mostly present with nausea, vomiting first, followed by diarrhea. Patients mostly present with nausea and vomiting first, followed by diarrhea, which varies from dozens of times a day, with watery, dark yellow or greenish stools and foul odor. The symptoms are mild or severe, and not all patients will have all the symptoms mentioned above, but clinically diarrhea and abdominal pain are common. Severe cases may have fever and chills. If in the acute inflammatory stage, in addition to fever, can be seen in the loss of water, acidosis or shock bleeding performance. 2, gastrointestinal symptoms often present intermittent abdominal pain, abdominal distension, abdominal pain, diarrhea as the main manifestations of the disease. It is especially acute after cold, greasy food or mood swings, or exertion. The frequency of stool increases, several times a day or dozens of times a day, the anus drops, and the stool is unpleasant. 3.Signs Long-term abdominal discomfort or less abdominal vague pain, physical examination can be seen in the abdomen, around the umbilicus or less abdomen, with mild pressure pain, hyperactive bowel sounds, prolapse. 4. Sometimes there is posterior sternal obstruction, pausing, painful sensation Mild and severe at times. This often suggests that one may suffer from esophagitis, esophageal diverticulum or early stage of esophageal cancer. 5.Poor appetite Fullness after meals or fullness all day, belching but not acid reflux, poor appetite, gradual weight loss, and mild pallor or graying. This condition should be considered chronic gastritis, especially chronic atrophic gastritis, gastric prolapse. 6, pain in the upper and middle abdomen after meals, or with nausea, vomiting, accumulation of food feeling The disease may have been long; the pain is regular, symptoms and treatment of gastroenteritis, such as cold, anger, after eating irritating food attack. This condition may be a gastric ulcer. 7, stomach pain Often stomach pain occurs about 2 hours after a meal, even waking up in the middle of the night with pain, can be relieved by eating something, often with acid reflux. It is easy to attack in autumn and winter, and the pain is on the right side of the upper abdomen, with a rhythm. Symptoms and treatment of gastroenteritis, such cases may suffer from duodenal ulcer or duodenal inflammation. 8, anemia, wasting, not thinking about diet No gastric disease only recently, and accompanied by anemia, wasting, not thinking about diet, and hard lumps felt on the umbilicus or heart. This condition should be highly alert because it may be stomach cancer. 9.Vomiting, chill and fever Abdominal pain and diarrhea occur after improper diet or cold, which may be accompanied by vomiting, chill and fever. This situation may be acute gastroenteritis or acute dysentery. 10, diarrhea immediately after meals, eat a meal diarrhea once, a little cold or improper diet onset There may also be sometimes diarrhea and sometimes constipation, diarrhea when the watery, more mucus when constipation, sometimes bloating with the intention to go to the toilet and no stool, several years without losing weight. This symptom, to allergic enteritis is more likely. Second, acute gastroenteritis precautions 1, acute gastroenteritis patients such as dehydration, can drink some light salt water, juice, rice porridge, etc., to replenish water, salt and vitamins. 2, if the exhaust and intestinal tinnitus is too strong, should avoid eating sucrose and easily gas-producing fermented food. Avoid eating fried, deep-fried, cold, raw, greasy and fiber-rich foods. 3, food should be easy to digest, soft texture and less residue, no irritation is appropriate. It can reduce the mechanical damage to the colonic mucosa that may be caused by high fiber and fat ingredients. 4, acute gastroenteritis patients should pay more attention to dietary hygiene, do not drink alcohol, do not eat spicy and irritating condiments. Do not eat milk and seafood, honey and its products. 5, persimmon, pomegranate, apple contains tannic acid and fruit acid composition, has an astringent antidiarrheal effect, chronic enteritis patients can often eat. Eat more of this antidiarrheal effect of food to reduce diarrhea. 6, to strengthen exercise, enhance physical fitness, strengthen dietary hygiene and water management, acute gastroenteritis to pay attention to hydration, pay attention to the consumption of light, easily digestible food, bed rest.