精神病自来缺乏良药,治疗多采用电疗法或胰岛素低血糖疗法,使患者进入昏迷状态。近年来无意中发現某些药物对于中枢神經有明显的鎮靜作用,但与原有的鎮靜安眠药不同,过度剂量并不产生昏迷状态,試用于精神病治疗,足以改善症状,于是开辟了精神病化学治疗的新領域。为了与巴比妥类鎮靜安眠药区別起見,这类药物特称为安定药(tranquillisers)。抑郁型精神病患者的精神虽多波动而外表却抑郁,安定药很少功效,宜用抗抑郁药治疗。安定药使用过量,以致中枢过度抑制,或者因药物引起抑制中枢副作用的,需用具有 Mental illness lack of good medicine, treatment and more use of electric therapy or insulin hypoglycemia therapy, so that patients into a coma. In recent years, some drugs have been found to have a significant sedative effect on the central nervous system. However, unlike the original sedative and hypnotics, overdosage does not produce a coma, and is used in psychiatric treatment to improve symptoms. Psychiatric chemotherapy is therefore initiated New area. In order to be distinguished from the sedative and sleeping pills of barbiturates, these drugs are specifically called tranquillisers. Although the spirit of depression in patients with mental disorders but the appearance of more depressed, sedatives rarely effect, should be treated with antidepressants. Diazepam overdosage, resulting in excessive inhibition of the central, or because of drug-induced central inhibitory effect, need to have with