A peptic ulcer is a sore in the lining of the stomach or the first part of the small intestine. This area of the small intestine is called the duodenum. Peptic ulcers may be named by their location:

Treatment may include antibiotics, medications that heal the ulcer and protect the stomach, and lifestyle changes. Surgery may be needed for ulcers that bleed, obstruct, perforate, or don't heal with other treatments.

Gastric Ulcer
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Upsets in the balance of stomach acid and digestive juices can lead to an ulcer. This can be caused by:

  • Helicobacter pylori ( H. pylori) infection
  • Use of nonsteroidal anti-inflammatory drugs (NSAIDs)

Less common causes include: