A peptic ulcer is an ulcer of one of those areas of the gastrointestinal tract that are usually acidic. A more general term, peptic ulcer disease (PUD), is also in use.
Most ulcers are associated with Helicobacter pylori, a spiral-shaped bacterium that lives in the acidic environment of the stomach. Ulcers can also be caused or worsened by drugs such as Aspirin and other NSAIDs. Contrary to general belief, more peptic ulcers arise in the duodenum (=first part of the small intestine, just after the stomach) than in the stomach. About 4 % of stomach ulcers are caused by a malignant tumour, so multiple biopsies are needed to make sure. Duodenal ulcers are generally non-malignant.
Stomach Ulcers :: Conditions and Diseases

Causes, Symptoms and Treatment of Peptic Ulcer - Information and discussion concerning causes, symptoms and treatment of peptic ulcers.
Meta Description: [ discussion about peptic ulcer disease, it's causes, diagnosis and treatment ]
Chinese Traditional Medicine - Describes in detail how TCM practitioners in China solve peptic-ulcer with traditional Chinese strategies and herbs.
eMedicine Health: Peptic Ulcers - Consumer health resource center providing information on the causes, symptoms, and treatment of this condition.
Meta Description: [ In the digestive system, an ulcer is an area where tissue has been destroyed by gastric juices and stomach acid. Peptic ulcer disease is a general term for ulcers that ... ]
Medinfo: Peptic Ulcer - Information for patients including symptoms, causes, diagnosis, and treatment and prevention.
Meta Description: [ Medinfo's patient information on peptic ulcer, which refers to an area of the stomach or duodenal lining which becomes eroded by the stomach acid. These are known as stomach and duodenal ulcers, collectively known as peptic ulcers. ]
Pediatric OnCall - A time tested home made remedy for the treatment of acidity.
Meta Description: [ A time tested home made remedy for the treatment of acidity at www.pediatriconcall.com ]
Three Rivers Endoscopy Center: Gastroscopy - Information for patients describing the use of the endoscope in diagnosing and treating ulcers of the stomach and other conditions.
Meta Description: [ Gastroscopy ]
Ulcers and Bacteria I - A paper on the development, science, and acceptance of the bacterial theory by Dr. Paul Thagard, Director of the Cognitive Science Program at the University of Waterloo, Canada.
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