慢性腹泻中一般能检查出致病菌者仅仅占5～35%。常见的有:痢疾杆菌、沙门氏菌、致病性大肠杆菌、肠结核菌等,菌群失调亦为原因之一。一、幔性细菌性痢疾慢性细菌性痢疾,是由于急性细菌性痢疾治疗不当而迁延不愈所致。近年来国内志贺氏菌痢疾逐渐减少,而福氏与宋氏菌引起的痢疾相对增加。福氏细菌 Chronic diarrhea generally can detect pathogens only 5 to 35%. Common are: Shigella, Salmonella, pathogenic E. coli, intestinal tuberculosis, etc., flora is also one of the reasons. First, the malaria bacillary dysentery Chronic bacterial dysentery, due to improper treatment of acute bacillary dysentery due to prolonged unhealed. In recent years, domestic shigella dysentery gradually decreased, and Fu Shi and Song bacteria caused by the relative increase in dysentery. Freund’s bacteria