酚噻嗪是最常用的药物之一,小儿因意外吞服而引起中毒可在中枢神经系统的各个水平发生变化。5岁和小于5岁的儿童口服100毫克后即出现中枢神经系统的抑制。一个1岁儿童吞入200毫克后,引起昏迷和窒息。一个3岁儿童口服300毫克后招致死亡。作者报告1例21/2岁儿童吞服氯丙嗪500毫克后出现严重中毒症状,3小时后给予毒扁豆硷0.5毫克静脉 Phenothiazine is one of the most commonly used drugs, children accidentally swallowed can cause poisoning at all levels of the central nervous system changes. Central nervous system depression occurs after 100 mg orally administered to children 5 years and younger than 5 years. A 1-year-old child swallowing 200 mg causes coma and suffocation. A 3-year-old child caused 300 mg oral death. The authors report that one 21/2-year-old child swallowed chlorpromazine 500 mg and developed severe symptoms of poisoning. After 3 hours, 0.5 mg venomine was given intravenously