雷尼替丁为H_2体拮抗剂,它能有效地抑制胃酸分泌。故临床上常用于治疗胃及十二指肠溃疡,迅速改善症状,加速溃疡面的愈合。但随着临床的广泛应用,其不良反应屡见报道。现综述如下:1 致精神异常 患者因上消化道出血,静滴雷尼替丁,10小时后,患者突然精神错乱,处于兴奋状态,出现逆行与顺行遗忘。然后用安定、异丙嗪,无效。停用雷尼替丁 Ranitidine H_2 body antagonist, which can effectively inhibit gastric acid secretion. It is commonly used in clinical treatment of gastric and duodenal ulcers, rapid improvement of symptoms, accelerate the healing of ulcers. However, with the widespread use of clinical, adverse reactions frequently reported. Are summarized as follows: 1 patients with mental abnormalities due to upper gastrointestinal bleeding, intravenous ranitidine, 10 hours later, the patient was suddenly mentally disturbed, in an excited state, retrograde and cis-amnesia. And then stability, promethazine, invalid. Stop using ranitidine