Diarrhea is a common symptom that refers to bowel movements significantly more often than usual, with thin stools, increased water content, and a daily stool volume of more than 200g, or containing undigested food or pus, blood or mucus. Diarrhea is often accompanied by a feeling of urgency to defecate, anal discomfort, incontinence and other symptoms. Acute diarrhea has a rapid onset and lasts for 2-3 weeks. Chronic diarrhea refers to recurrent diarrhea with an illness duration of more than two months or an interval of 2-4 weeks. Symptomatic treatment can be given for acute diarrhea. And for irregular chronic diarrhea, as well as the appearance of mucus-purulent-blood stool and other traits, should not be ignored, it is absolutely necessary to perform fiber colonoscopy to exclude colorectal cancer and other diseases, so as not to delay the disease! 1, diarrhea antibiotics are not absolutely necessary: the use of various antibiotics is very common, the vast majority of viruses, or improper diet caused. Abuse of antibiotics will kill the normal flora in the intestine, causing flora disorders and aggravating diarrhea. Many ecological preparations, such as bifidobacteria, lactobacillus tablets, such drugs to improve the normal flora of the intestine. 2, diarrhea should not fasting water: diarrhea a large amount of water loss will aggravate dehydration and acidosis; eating too little, in a state of hunger, increasing the gastrointestinal burden, aggravating diarrhea. Nutritious liquid or semi-liquid diet, such as rice porridge, noodles, etc. As long as you can eat, good spirits and proper diet, diarrhea will gradually get better. Common causes of diarrhea: 1. Its most common causes are infections: food poisoning; intestinal infections. 2, Infectious diseases of the intestinal tract. 3, Non-infectious inflammation of the intestinal tract. 4, Tumors. 5, small intestine malabsorption. 6, Motility diarrhea. 7, Pharmacogenic diarrhea.