Methods:86 cases were divided into two groups.The patients in study group were treated with ebastine and tranilast,and the control group with ebastine only.

• 方法:86例患者随机分成两组,治疗组口服依巴斯汀和曲尼司特,对照组口服依巴斯汀,疗程4周,观察疗效,记录不良反应。