小儿临床用药除应注意小儿体重和身长外,还应注意其生理特点对药物作用的特殊反应。因为小儿机体中各个组织、器官都发育不完善,对大多数药物的耐受性较差。因此,小儿临床用药要慎重、合理。一、小儿生理特点和对药物作用的特殊反应小儿神经系统发育尚未完善,对多种药物都极为敏感,如氨茶碱在用于小儿止喘 In addition to children’s clinical medication should pay attention to children’s weight and length, but also pay attention to its physiological characteristics of the special effects of drugs. Because the body of children in various tissues and organs are imperfect, poor tolerance to most drugs. Therefore, pediatric clinical medication should be cautious and reasonable. First, the physiological characteristics of children and the special reaction to the role of drugs Children’s nervous system development is not yet perfect, a variety of drugs are extremely sensitive, such as aminophylline used in children with asthma