Diarrhea stomach pain and diarrhea may be caused by acute gastroenteritis, food poisoning, pancreatitis and other diseases, according to the cause of the disease, you can choose norfloxacin, montelukast, octreotide and other medication, surgical treatment and other ways to relieve. 1. Acute gastroenteritis: it is an acute inflammation of the mucous membrane of the gastrointestinal tract caused by physicochemical and biological factors, mostly due to viral or bacterial infections, which can lead to diarrhea and stomach pain and diarrhea. It can be treated with medication, commonly used norfloxacin, atropine, montelukast and other drugs. 2. Food poisoning: refers to eating toxic food, or food contaminated by bacteria, bacterial metabolites or other toxins and resulting in acute infectious toxic diseases, can lead to diarrhea stomach pain and diarrhea. It can be treated with medications such as levofloxacin and atropine. 3. Pancreatitis: is a variety of causes of inflammatory damage to the pancreas, can lead to diarrhea stomach ache diarrhea, pancreatitis according to the severity of the drug or surgical treatment, such as growth inhibitors, octreotide or surgical percutaneous puncture drainage. Diarrhea stomach pain and diarrhea may also have other causes, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, to give targeted treatment or treatment, under the guidance of the doctor, follow the doctor’s prescription medication.