Symptoms of gastrointestinal flu commonly include nausea, vomiting, diarrhea, abdominal pain, fever, etc. Headache, nasal congestion, runny nose, and loss of appetite may also occur. 1. Nausea, vomiting: After suffering from gastrointestinal cold, mild symptoms such as nausea and vomiting may occur, but the condition gradually aggravated, it will be accompanied by a more serious feeling of nausea, vomiting, and the amount of vomiting will gradually increase. You need to drink more water to ensure that your body is well hydrated to waterproof electrolyte disorders. 2. Diarrhea, abdominal pain: Mild gastrointestinal flu can appear abdominal pain, diarrhea, diarrhea, diarrhea may be severe up to 6 times a day or more, the stool shape is mainly watery or egg-shaped. If the diarrhea is severe, it is recommended to take antidiarrheal drugs, such as montelukast, as prescribed by the doctor. 3. Fever: After the virus enters the body, it can cause an inflammatory reaction in the body, which can be high or low fever. Those with high fever can use wet towel or alcohol to wipe their body, and pay attention to replenish more water to avoid dehydration. Gastrointestinal cold in addition to the above points may also appear in varying degrees of headache or runny nose, nasal congestion, loss of appetite and other symptoms, and the common cold symptoms are similar to those of the digestive tract symptoms or other discomforts, we must consult a doctor in a timely manner, under the guidance of the physician to actively treat, to avoid delays in the condition.