Peptic ulcer is caused by
A. i.e. (H. pylori) (594 - Basic pathology 8th)PEPTIC ULCER - two conditions are key for the development of peptic ulcers1. H. pylori infection(i) 70 - 90% persons with duodenal ulcer(ii) 70% persons with gastric ulcers2. Mucosal exposure to gastric acid and pepsin* NSAIDs are the major cause of peptic ulcer disease in persons who do not have H. pylori infection
H. pylori
Campylobacter jejuni
Pneumocystis carinii
Crypto sporidium
G.I.T.