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大多数药物都有或多或少的毒性(toxicity)。毒性反应(toxic reaction,toxic response)是指药物引起机体发生生理生化机能异常或组织结构病理变化的反应;该反应可在各个系统、器官或组织出现。药物的毒性作用(toxic effect)一般是药理作用的延伸,主要对神经、消化、心血管、泌尿、血液等系统,以及皮肤组织造成损害。各种药物的毒性性质和反应的临床表现各不相同,但反应程度和剂量有关,剂量加大,则
Most drugs have more or less toxicity. Toxic reaction (toxic reaction) refers to the drug caused by the body physiological and biochemical abnormalities or histopathological changes in the response; the reaction can occur in various systems, organs or tissues. The toxic effect of a drug is generally an extension of the pharmacological action and mainly damages the nervous system, digestive system, cardiovascular system, urinary system, blood system and skin tissue. The toxicity of various drugs and the clinical manifestations of the response vary, but the degree of response and dose-related, dose increase, then