半个世纪以来,医学界公认精神紧张、膳食不合理、吸烟、酗酒等是消化性溃疡的致病因素,诱使胃分泌过量胃酸,协同胃蛋白酶攻击胃、肠粘膜。因而,近年治疗溃疡,绝大多数采用西咪替丁、雷尼替丁等组胺H_2受体拮抗剂以抑制胃酸分泌,从而促进溃疡愈合。可是,这类药物必须连续服用,停药一段时间后,胃酸分泌又增多,溃疡也复发。停药6月 Half a century, the medical profession recognized the nervous, unhealthy diet, smoking, alcoholism and other pathogenic factors of peptic ulcer induced gastric secretion of excessive gastric acid, gastric pepsin synergistic gastric attack. Therefore, in recent years, the treatment of ulcers, the vast majority of cimetidine, ranitidine and other histamine H 2 receptor antagonist to inhibit gastric acid secretion, thereby promoting ulcer healing. However, these drugs must be taken continuously, after stopping for some time, gastric acid secretion increased, ulcers also relapse. June withdrawal