在药物的剂量和用法正常的情况下,出现了使用目的之外的作用,就是药物的副作用。大多数副作用对患者会产生不利影响,因而也可以说是一种“不良反应”。 医师使用某种药物,一般是因为患者体内某方面存在某种异常情况。针对这个情况,医师往往只希望药物对某一器 In the case of normal dose and usage of drugs, there is a role other than the purpose of use, which is the side effect of drugs. Most side effects have a negative effect on the patient and can therefore be considered a “side effect.” Physicians use a drug, usually because of some aspect of the patient’s body there is an exception. In view of this situation, physicians often only hope that the drug on a certain device