常规使用血管收敛剂等药物治疗鼻及鼻窦炎,病人需取仰头位才能使药液滴入鼻内。为保证鼻腔粘膜对药液的充分吸收,一般需保持仰头位3～5分钟。这种给药方式使用麻烦,药液分布不均,影响患者的工作和学习。带有苦味的药液流入咽部后,还易引起患者的恶心和呕吐。上述缺点常使病人不能坚持按时用药,儿童患者更易耽误治疗。 Routine use of vascular astringents and other drugs for the treatment of nasal and sinusitis, patients need to take upward head position in order to make liquid drops into the nose. In order to ensure adequate absorption of nasal mucosa on the liquid, generally need to maintain upward head position 3 to 5 minutes. This mode of administration is cumbersome to use, with uneven distribution of the medicinal solution, affecting the patient’s work and study. With the bitter liquid medicine into the throat, but also easily lead to nausea and vomiting in patients. The above shortcomings often make the patient can not adhere to medication on time, children are more likely to delay treatment.