老年人脏器组织结构功能的减退,尤其是心、肾脏功能的减退,直接影响药物的吸收、分布、代谢和清除。如若用药剂量以成人为标准,可能出现较高的血药浓度,使药物效应和毒副作用增加。因此,老年人应特别注意安全合理用药。下面就老年人宜慎用的常用药物选述如下,以供老年人用药时参考。安眠药:老年人因对安眠药的分解排泄能力缓慢,长期服用容易出现药物依赖性和毒副作用,因此不可滥用。如若必需服用,应短期使用, Senile organ tissue function decline, especially heart and kidney function decline, a direct impact on drug absorption, distribution, metabolism and clearance. If the dose to adults as the standard, there may be a higher plasma concentration, the drug effect and side effects increased. Therefore, the elderly should pay special attention to safe and rational drug use. The following should be used with caution in elderly elderly drug selection as follows, for the elderly medication reference. Sleeping pills: the elderly due to the slow release of sleeping pills excretion, long-term use prone to drug dependence and side effects, it can not be abused. If necessary to take, should be short-term use,