Method:280 cases were randomly divided into two groups.200 cases were treated with rhinitis tablet as the study group while 80 cases were treated with ketotifen and prednisone as the control group.

• 方法将280例随机分为两组,治疗组200例用鼻炎片、对照组80例用酮替芬及强的松治疗,分别于治疗结束后1个月、半年、1年观察疗效。