Peptic Ulcer

**Definition:** Ulcer that occurs in the regions of the GASTROINTESTINAL TRACT which come into contact with GASTRIC JUICE containing PEPSIN and GASTRIC ACID. It occurs when there are defects in the MUCOSA barrier. The common forms of peptic ulcers are associated with HELICOBACTER PYLORI and the consumption of nonsteroidal anti-inflammatory drugs (NSAIDS).

**Tree numbers:** - C06.405.469.275.800 - C06.405.748.586

**Synonyms:** - Gastroduodenal Ulcer