镇静安眠药及弱安定剂已广泛应用于临床。此类药物包括戊巴比妥、速可眠、阿米妥钠及安定、硝基安定等。当长期持续服用这类药物后,即可发生对该药物的依赖性,药物对人体的依赖分为精神上和躯体上的依赖。所谓精神依赖性是指病人对药物的渴求,在精神上需要持续应用这类药物,不用就感到不愉快,迫切想取得它。为了得到服药后的精神上特殊快 Sedative sleeping pills and weak stabilizers have been widely used in clinical practice. Such drugs include pentobarbital, you can sleep, amiloride and stability, nitrazepam and so on. When long-term sustained use of such drugs, can occur on the dependence of the drug dependence on the human body can be divided into mental and physical dependence. The so-called spiritual dependence refers to the patient’s desire for drugs, in the spiritual need for sustained use of such drugs, do not feel unpleasant, eager to obtain it. In order to get the spirit of the medication after a special fast