迟发性运动障碍(tardive dyskinesia,TD)是氯丙嗪等酚噻嗪类药物锥体外系副作用的一种晚发类型,是由于长期服用这类药物所致的慢性、刻板性不自主运动。其发生率约占该类药物长期服用者的5—20％,近年有上升趋势,特别轻症病例大为增加,曾报告有高达56％者。这不仅见于经常应用此 Tardive dyskinesia (TD) is a late onset type of extrapyramidal side effects of phenothiazines such as chlorpromazine due to chronic, stereotypical involuntary movements caused by long-term use of these drugs. Its incidence rate is about 5-20% of long-term users of such drugs. In recent years, it has been on the rise. In particular, mild cases have been greatly increased. Up to 56% of them have been reported. This is not only seen in frequent use of this