我们于１９９６年５～８月，对肛肠术后患者，应用苯海拉明注射液肌注，发现术后疼痛开始发作时间及疼痛程度明显优于对照组，并能有效减少术后尿潴留的发生。报告如下：一般资料：４０例肛肠病例，随机分为治疗组和对照组。治疗组２０例，年龄２２～５８岁，混合痔５例，... From May to August 1996, we used intramuscular injection of diphenhydramine injection for postoperative anorectal surgery and found that postoperative onset of pain and pain were significantly better than the control group, and can effectively reduce postoperative urinary retention occur. The report is as follows: General information: 40 cases of anorectal, were randomly divided into treatment group and control group. Treatment group of 20 cases, aged 22 to 58 years old, mixed hemorrhoids in 5 cases, ...