药品在防治疾病的过程中,往往会引起一些对机体不利的影响,甚至产生毒性反应或引起药源性疾病,严重者可危及生命。这些因药品而产生的不良反应有的已被人们所认识,而有些却在药品批准生产前、动物实验和临床试用中未被发现,而批准生产后,由于应用范围广泛,才逐步被人们所认识。这些未被认识的 Drugs in the prevention and treatment of the disease process, often cause some adverse effects on the body, and even produce toxic reactions or lead to drug-induced diseases, severe cases can be life-threatening. Some of these adverse reactions due to drugs have been known, and some are not found in animal experiments and clinical trials before the drugs are approved for production. After the approval of the production, due to the wide range of applications, understanding. These are not recognized