The sympathomimetic drugs are recommended in rhinitis because a reduction of nasal congestion permits the introduction of other topical therapy such as nasal corticosteroids.

• 减充血剂之所以在鼻炎中被推荐使用是因为控制鼻充血可以使其它局部治疗手段发挥作用，比如鼻部使用类固醇药物。