药物毒性的问题内容很广也很复杂,它和药理问题一样包括药效学(毒力学)和药(毒)代动力学两个大方面,严格的讲它是属于毒理学的范畴,毒理学是研究毒物对健康和病人机体作用规律性的科学,是保障人类生命安全的科学.毒物和药物的界限并不很严格,两者的区别在于用药剂量的大小, The issue of drug toxicity is very broad and complex. Like pharmacological problems, it includes two major aspects: pharmacodynamics (toxicology) and drug (toxicokinetics). Strictly speaking, it belongs to the category of toxicology. Toxicology Is to study the toxicological effects on the health and the body of the patient’s regular scientific science is to protect the safety of human life sciences.The boundaries of toxic and drug is not very strict, the difference between the two lies in the size of the dose,