消化性溃疡是由于消化管内含大量酸性胃蛋白酶而引起的胃肠道粘膜损伤所致。若损伤表浅而未穿透至肌粘膜层,则称之为“糜烂”。急性溃疡是由于损害至肌层,而慢性溃疡是由长期固定的急性溃疡演变而来,它在裂隙的基底层产生硬结区(纤维浸润)。消化性溃疡常根据其发生部位来分类——即分为胃,十二指肠或食道下端溃疡。在某些病例中消化性溃疡 Peptic ulcer is due to digestive tract contains a lot of acid pepsin caused by gastrointestinal mucosal damage. If the superficial injury did not penetrate to the muscularis mucosa, it is called “erosion.” Acute ulcers are due to damage to the muscular layer, whereas chronic ulcers, which evolve from long-term, fixed acute ulcers, create a hard nodular area (fibrous infiltrates) in the basal layer of the crevice. Peptic ulcer disease often according to their classification to the site - that is, divided into stomach, duodenum or esophageal ulcer. Peptic ulcer in some cases