变应性鼻炎( Allergic rhinitis,AR)是指接触变应原后引起的一种常见的上呼吸道变应性疾病,典型症状是喷嚏、流涕、鼻痒、鼻塞,昼夜交替。这些症状经常伴随有眼部过敏症状(包括眼痒、结膜充血、分泌物增多等)、咽痛、咳嗽和耳痛[1 ] 。有学者估计国内每年约有2 0 0 0万人患本病 Allergic rhinitis (AR) refers to a common upper respiratory allergic disease caused by exposure to allergens. The typical symptoms are sneezing, runny nose, nasal itching, stuffy nose, alternating day and night. These symptoms are often accompanied by symptoms of ocular allergies (including itchy eyes, conjunctival hyperemia, increased secretions, etc.), sore throat, cough, and earache [1]. Some scholars have estimated that there are about 20 million people suffering from this disease each year in China