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, ranging 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 clinical diarrhea and abdominal pain are common. Severe cases may have fever and chills. The most common disease of gastrointestinal diseases is gastroenteritis, and different patients have different injuries from acute gastroenteritis and chronic gastroenteritis because of the long-term course of the disease, and targeted treatment for the main manifestations of the disease can be cured early. So what are the main symptoms of gastroenteritis? The symptoms of gastroenteritis are manifested in many ways, please see the following specific introduction: 1, systemic symptoms: chronic depletion of symptoms, the face is not flashy mental discomfort, less breath lazy speech, limb weakness, like warmth and fear of cold. 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. Especially after cold, greasy food or mood swings, or exertion. The number of stools increases, several times a day or dozens of times a day, the anus drops, the stool is not pleasant. 3, physical 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 a retrosternal obstruction, pauses, painful sensation: sometimes mild and sometimes heavy. This often suggests the possibility of esophagitis, esophageal diverticulum or early esophageal cancer. 5, poor appetite: fullness after meals or fullness all day, belching but not acid reflux, poor appetite, gradual weight loss, 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 nausea, vomiting, feeling of food accumulation: 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: stomach pain often 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 eating: no stomach disease only recently, and accompanied by anemia, wasting, not thinking about eating, and hard lumps felt in 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, acute dysentery. 10, diarrhea immediately after meals, eat a meal diarrhea once, a little cold or improper diet onset. There may be diarrhea and constipation, watery diarrhea, more mucus when constipated, sometimes bloating with the intention of stool and no stool in the toilet, and several years without losing weight. This symptom, to allergic enteritis is more likely.