人到老年,身体各系统(如脑、心、肝、肾、肺等)的功能都有不同程度衰退,对药物的耐受、解毒、排泄和抵抗药物副作用的能力大大降低,易在体内积蓄中毒。所以,在需要药物治疗时,对有毒性或副作用强的药物,除非万不得已,应尽量少用,或改用其他较为安全的药物。 People to the elderly, the body’s various systems (such as brain, heart, liver, kidney, lung, etc.) function has varying degrees of decline, the drug tolerance, detoxification, excretion and resistance to drug side effects greatly reduced the ability to easily accumulate in the body Poisoning. Therefore, when drug treatment is needed, drugs with strong toxicity or side effects should be used as little as possible or other safer drugs unless the last resort.