长期应用某些药物，在症状控制或临床治愈后不能突然停药，应逐渐减量，慢慢停下来，让机体有一个适应过程。否则，会产生一些严重的不良反应，甚至使病情突然加重而致死亡。本文对用下列药物骤然停用所引起的不良反应进行综述，并提出相应的防治措施。１β－受体阻滞剂［... Long-term use of certain drugs, in the symptoms or clinical cure can not be suddenly stopped, should gradually reduce, slowly stop, let the body have a process of adaptation. Otherwise, there will be some serious adverse reactions, and even cause a sudden increase in illness and death. This article summarizes the side effects caused by the sudden withdrawal of the following drugs, and put forward the corresponding prevention and treatment measures. 1β-receptor blockers [...