俗话说“是药三分毒”。绝大多数药物除了具有治疗作用外,均有一定的毒性,尽管毒性作用的性质各药不同,但其严重程度却与用法不当有关,一般是在超剂量或用药时间太长时才会产生。值得注意的是人体非常重要的器官——心脏,对某些药物敏感性很强,在治疗量以内或长期蓄积均可出现 As the saying goes “it’s a three-point drug.” In addition to the vast majority of drugs have a therapeutic effect, have some toxicity, although the nature of the toxic effects of different drugs, but the severity is related to improper use, usually overdosage or medication time is too long will produce. It is noteworthy that the body is a very important organ - the heart, is very sensitive to some drugs, within the treatment volume or long-term accumulation can occur