近年来,许多文献强调甲氰咪胍能引起多种多样的神经系统症状(包括烦躁、谵妄、定向力障碍、局灶性抽搐甚至呼吸暂停等)。我们发现2例应用甲氰咪胍的病人,在病程中分别发生了无法解释的谵妄和不随意运动,停药后症状迅速消失。特报告如下。例1:男性,62岁。因慢性支气管炎、肺气肿、 In recent years, many literatures have emphasized that cimetidine can cause a variety of neurological symptoms (including irritability, delirium, disorientation, focal convulsions and even apnea). We found two cases of patients using cimetidine, unexplained delirium and involuntary movements during the course of the disease, and the symptoms disappeared rapidly after withdrawal. Special report is as follows. Example 1: Male, 62 years old. Due to chronic bronchitis, emphysema,