Methods One hundred and fifteen patients were randomly assigned into two groups, 68 in the treated group treated with CHM and 47 in the control group treated by oral administration of loratadine 10 mg once a day and ketotifen 1 mg once every night.

• 方法115例患者随机分为治疗组68例和对照组47例,治疗组服用清热解毒养阴法中药,对照组口服氯雷他定片10mg,每日1次,酮替芬片1mg,每晚1次。