Consult your doctor if you have any questions about your treatment program. Always follow your doctor's treatment program to completion, even if your symptoms disappear. This is extremely important since the ulcer may not quite be healed, even if the pain has been relieved. A sore in the lining of the duodenum or upper part of the small intestine where the stomach empties. Helicobacter pylori infection can cause inflammation at this location with subsequent ulceration of the lining mainly due to excess acid.
Smoking raises the risk of duodenal ulcers developing.
Duodenum The upper part of the small intestine, where the stomach empties. A sore that occurs in the lining of the stomach. Gastroenteritis is often caused by food poisoning. GERD or Gastroesophageal Reflux Disease Inflammation of the esophagus caused by a backward flow of the stomach contents into the esophagus. Aspirin and ibuprofen are examples.