过敏性(变应性)鼻炎为常见病之一,其发病率占总人口的10%～30%。此病如诊治不当或经久不愈,有20%～40%的病人可发展为支气管哮喘。由于致敏物(过敏原)数量日益增多,各种环境因素得不到控制,其发病率有不断增高的趋势。本病可分为常年性和季节性(多在春、秋季发病)两型,由吸入性致敏物(室尘、螨、花粉、霉菌、动物皮屑、禽鸟羽毛等)致病。本病的主要临床表现是:鼻痒、阵嚏、鼻 Allergic (allergic) rhinitis is one of the common diseases, the incidence rate of 10% to 30% of the total population. If the disease diagnosis and treatment of improper or prolonged unhealed, 20% to 40% of patients can develop bronchial asthma. As the number of allergens (allergens) is increasing, all kinds of environmental factors are not controlled, and the incidence rate has been on the rise. The disease can be divided into perennial and seasonal (mostly in spring and autumn onset) two types, by the inhalation of allergens (room dust, mites, pollen, mold, animal dander, bird feathers, etc.) pathogenic. The main clinical manifestations of the disease are: nasal itching, sneeze, nose