Diarrhea and stomach pain can be treated by oral administration of lactobacillus tablets, norfloxacin, montelukast and other drugs. There are more causes of diarrhea, mainly including improper diet, eating cold, irritating, rotten and spoiled food, which can cause abdominal pain, bloating, diarrhea and other manifestations. You can go to a regular hospital in time for routine stool examination and then treat the symptoms. Diarrhea is not too serious, can be treated with oral probiotics or lactobacillus tablets, which is a class of drugs to help digestion, can relieve abdominal pain, diarrhea and other symptoms caused by indigestion, enteritis, abnormal fermentation in the intestines. If the number of diarrhea is more often apply antibiotics, common cephalosporin, norfloxacin, etc., can mainly treat inflammation of the intestinal tract caused by sensitive bacteria. Montelukast is an adsorbent drug, which is less stimulating to the gastrointestinal tract and can absorb water inside the intestine, relieving the symptoms of diarrhea.