目前,小儿专用药物较少,于是一些家长认为,只要将成人药适当减量,即可取而代之。其实,这种想法和做法有失偏颇,甚至是十分有害的。因为小儿不是“小成年”,他们不仅体重不同,而且还有生理、病理上的差异。例如小儿的肝、肾等脏器发育尚不完善,酶系统也未建立完善,解毒、排泄功能很弱,有些药物对机体的反应性也不同。因此,若用药失当,极易产生不良反应,严重者还 At present, there are fewer pediatric medications, so some parents think that as long as the adult medicine is properly reduced, it can be replaced. In fact, such ideas and practices are biased and even very harmful. Because children are not “young adults”, they are not only different in weight, but also physical and pathological differences. For example, children’s liver, kidney and other organ development is not perfect, the enzyme system has not been established, detoxification, excretion is weak, and some drugs on the body’s reactivity is also different. Therefore, if misdiagnosis, prone to adverse reactions, severe cases also