Noun:

1. an adrenergic drug used in many preparations to relieve allergic reactions or respiratory infections;

   "drugs containing phenylpropanolamine are being recalled"
   

PHn.[化]酸碱度(=Potential Of Hydrogen)abbr.公共卫生(=Public Health)abbr.紫心勋章(=Purple Heart)phormiumn.[植]新西兰麻

1. Replacement of estrogens, phenylpropanolamine, and surgery have all been used for treatment.
   雌激素替代物，苯丙醇胺，和手术被用于治疗该疾病。