急性腹泻是指突然发生的大便次数增多,大便量多而稀薄,有多达一天几十次者,有大便稀如清水不见粪质者。急性腹泻常伴有恶心、呕吐、腹疼等消化道症状,还有的病人肛门有下坠感觉,想解大便又拉不出来,医生们把这种症状叫做“里急后重”,常表明病变在下部结肠和直肠。 Acute diarrhea refers to the sudden increase in the number of stools, stool volume and thin, up to dozens of times a day, have thin stools such as clear water without fecal material. Acute diarrhea often accompanied by nausea, vomiting, abdominal pain and other gastrointestinal symptoms, there are patients with anal fall feeling, think about the stool and pull out, the doctors called this symptom “tenesmus” often shows lesions in the lower colon And rectum.