Diarrhea and abdominal pain can be relieved by diet and medication if it is caused by indigestion, or by medication if it is caused by acute gastroenteritis. 1. Indigestion: slow gastrointestinal peristalsis, overeating, intolerance of greasy food will lead to indigestion, abdominal pain, diarrhea and other symptoms, you can take drugs to promote gastrointestinal dynamics such as domperidone, the diet should be small meals, to avoid spicy and stimulating food, eat more light, easy to digest food, and so on. 2. Acute gastroenteritis: acute gastroenteritis may be caused by unclean diet and poor eating habits, vomiting, diarrhea, abdominal pain and other symptoms, gentamicin and other drugs can be given symptomatic treatment, the above drugs have allergies and other adverse reactions, it is recommended to use the drugs under the guidance of a doctor, do not blindly use their own medication, in order to avoid adverse effects. If the above symptoms occur, it is recommended to go to the hospital in time, under the guidance of professional physicians for early treatment.