鼻腔是阻止含尘空气进入呼吸道的第一道过滤器,既是积尘部位,也是复杂的免疫器官和吸入致敏的首先受累器官。鼻炎与职业性哮喘伴发,尤其在哮喘前突然发生鼻炎的报道更多。与此相对照,单纯突发的职业性变态反应性鼻炎报告较少。因鼻炎 The nasal cavity is the first filter to block dust-laden air from entering the respiratory tract, both as a dust-collecting site and as a complex organ of immunity and the first organ involved in sensitization by inhalation. Rhinitis associated with occupational asthma, especially in the sudden onset of rhinitis before asthma more reports. In contrast, there are fewer reports of purely occupational allergic rhinitis. Because of rhinitis