Phenylpropanolamine is a sympathomimetic agent widely used in over-the-counter and prescription decongestant medications .
苯丙醇胺是一种被广泛使用的拟交感神经非处方药和减充血处方药。
The sympathomimetic drugs are recommended in rhinitis because a reduction of nasal congestion permits the introduction of other topical therapy such as nasal corticosteroids .
