清明时节,细雨霏霏,百花盛开,杨柳飘絮,好一派万紫千红的春天景色。可是,有些人在春天却易患上过敏性鼻炎,整日喷嚏连声、清梯涟涟,实是烦恼。 过敏性鼻炎的形成,既有外因、也有个人体质的内因。外因是春天潮湿雾重,气压低,空气不大流通,有些乡镇和大城市工矿企业排放有毒气体,刺激鼻腔而得;有的是吸入自然 Tomb Sweeping Festival, drizzle began, flowers in full bloom, willow Piaoxu, a bunch of colorful spring scenery. However, some people in the spring are susceptible to allergic rhinitis, sneezing all day long, Qing Lian ripples, it is troublesome. The formation of allergic rhinitis, both external, but also the physical constitution of the internal. External factors are heavy wet fog in spring, low air pressure and little circulation of air. Some towns and cities and industrial and mining enterprises emit toxic gases to stimulate the nasal passages; some inhale naturally