患者,男,25岁。主诉间歇腹痛、腹泻5年。5年前起病,左下腹隐痛,与进食有关,伴腹胀、腹鸣、肛门排气多,排气后腹痛可暂缓解,腹泻主要在清晨,大便多糊状,偶稀水样,见有粘液,无血液,每日大便200g左右,便前有紧迫感,便后腹痛缓解,有时1小时内连续排便3～4次,但以后整天时间多不再排便。每年发病2～3次,间歇1～3月不等。发病似与情绪及身心疲劳有关。曾多方求医,大多初期用药尚有效,久之则无效。为此思想负担渐重,感失眠、头昏头痛、记忆力减退。体查除左下腹压痛及肠鸣音活跃 Patient, male, 25 years old. Intermittent abdominal pain complaints, 5 years of diarrhea. 5 years ago, the left lower extremity pain, and eating-related, with abdominal distension, abdominal gas, anal exhaust and more, after the exhaust can relieve abdominal pain, diarrhea mainly in the early morning, stool more paste, even dilute water samples, see there Mucus, no blood, about 200g daily stool, there is a sense of urgency before, then relieve abdominal pain, and sometimes defecation within 1 hour 3 to 4 times, but after more days no more defecation. The incidence of 2 to 3 times a year, ranging from 1 to 3 months. Sickness and emotional and physical and mental fatigue related. Has multi-doctor, most of the initial medication is still valid, long time is invalid. For this reason the burden of thinking is getting heavier, feeling sleepless, dizzy and headache, memory loss. Physical examination left lower quadrant tenderness and bowel sounds active