急性腹泻主要是由于细菌或病毒感染及食物中毒等原因而引起的。还可因抗菌素、毛地黄、皮质激素、抗癌剂、胆碱能剂、泻药、甲状腺剂等药物、放射线疗法、牛奶、酒类及鼻饲营养等原因引起。也有的是慢性炎症性肠疾病的急性加重期。总之,不是老年人特有的疾患。检查病原菌是重要的,可是大多原因不能确定,关键要掌握发病前的食物摄取情况、既往史和其 Acute diarrhea is mainly due to bacterial or viral infections and food poisoning and other causes. Can also be caused by antibiotics, Foxglove, corticosteroids, anticancer agents, cholinergic agents, laxatives, thyroid drugs such as drugs, radiation therapy, milk, alcohol and nasal feeding nutrition and other causes. There are also acute exacerbation of chronic inflammatory bowel disease. In short, it is not a peculiar disorder of the elderly. Check the pathogen is important, but most of the reasons can not be determined, the key to pre-morbid food intake, past history and its