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What is a peptic ulcer?

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A peptic ulcer, also known as PUD or peptic ulcer disease is an ulcer located to the mucosa in the stomach or in the duodenum (first part of the small intestine, just after the stomach). These ulcers often recur, there is a 75% chance that an peptic ulcer will return within a year if not treated.

Peptic ulcer disease is associated with Helicobacter pylori. 75% of the ulcers located to the stomach and 99% of the ulcers located in the duodenum are caused by this bacteria. 25% of the ulcers located to the stomach is caused (or worsened) by drugs such as Aspirin and other NSAIDs. These drugs can have a damaging effekt on the mucosa, espescially in the stomach.