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。
This has led to a handful of new treatments, such as artemisinin for treating malaria and the decongestant ephedrine, but there has been no goldrush of approved drugs. 这个做法获得了少数的新成果，例如用于治疗疟疾的青蒿素和减充血剂麻黄碱，但是获得批准的药物并未大量涌现。
