1·These appear today on medications that include dextromethorphan, a cough suppressant, the expectorant guaifenesin and the decongestants phenylephrine and pseudoephedrine.
如今,镇咳药右美沙芬、祛痰药愈创甘油醚以及解充血药苯福林和伪麻黄硷的包装盒上就标注了警告。
2·Conclusion Expectorant can shorten the duration of moderate and severe acute exacerbations of asthma in children.