鼻腔阻塞,多兼呼吸不利,影响嗅觉!《类证治裁·鼻口证论治》:“肺感风寒,则鼻塞声重,参苏饮、羌活汤;若风热壅肺,亦致嚏涕声重,宜疏散,菊花茶调散;肺火盛鼻,宜清解,黄连清肺饮;鼻塞甚者,往往不闻香臭,毕澄茄丸。”鼻塞多属外感所致,故一般在解表、驱寒、祛风、清肺等治法后,均可缓解!