酸相关性疾病是消化道由于胃酸作用而诱发或导致的疾病：包括消化性溃疡，胃食管反流病（ＧＥＲＤ），酸相关的应激性溃疡和急性胃粘膜糜烂等，以前二者为最常见，也最重要。这些疾病的发病机制和临床表现虽不同，但在治疗方面有共同之处，即采用抑制胃酸分泌或中和胃酸的措施 Acid-related diseases are diseases that the gastrointestinal tract induces or causes due to gastric acid action, including peptic ulcer, gastroesophageal reflux disease (GERD), acid-related stress ulcer and acute gastric mucosal erosion, Common, but also the most important. The pathogenesis of these diseases and clinical manifestations are different, but there are similarities in the treatment, that is, the use of gastric acid secretion inhibition or neutralization of the measures