The stomach discomfort and vomiting and diarrhea are mostly considered to be caused by acute gastroenteritis, gastrointestinal flu and indigestion. You need to go to the hospital for examination to clarify the cause before treatment. Common causes and treatment 1, acute gastroenteritis: mostly due to eating cold food, unclean diet, often manifested as abdominal discomfort accompanied by vomiting, diarrhea and other symptoms, it is recommended to take stool or vomit to clarify the type of bacteria, combined with drug sensitivity results for anti-infective treatment, such as the application of norfloxacin, while the need for rehydration treatment to maintain the body’s electrolyte balance, if necessary, anti-diarrheal treatment, such as the application of medical advice montelukast 2, gastrointestinal flu: mainly manifested as nausea, vomiting, diarrhea, fever and other symptoms, caused by infection of the upper respiratory tract of the virus. No specific treatment, symptomatic treatment, such as the use of montelukast as prescribed by the doctor to relieve diarrhea, if there is dehydration, with rehydration and electrolyte supplementation, while paying attention to rest, appropriate drinking water; 3, indigestion: If you eat too much or eat too much indigestible food, may appear uncomfortable stomach want to vomit, diarrhea, you can take digestive enzymes as prescribed by the doctor to relieve discomfort. Attention usually pay attention to do a good job to keep warm, avoid getting cold; regulate eating habits, regular meals, pay attention to dietary hygiene, do not eat cold, stimulating food; pay attention to rest, ensure sufficient sleep.