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Peptic Ulcer
Peptic ulcer disease (PUD)
A sore in the lining of the stomach or the first part of the small intestine, often causing a gnawing or burning pain in the upper tummy.
Mucosal break >5 mm in the stomach or duodenum. Leading causes: H. pylori infection and NSAID use. Complications: bleeding, perforation, gastric outlet obstruction.
⚠Red flags — seek urgent help
- Haematemesis / melaena
- Sudden severe abdominal pain (perforation)
- Persistent vomiting
Related organs
Duodenum
Stomach
Small intestine
Source: Maastricht VI / Florence consensus on H. pylori.