Stomach ulcers are inflamed sores in the lining of your stomach. Learn more about common causes, symptoms and treatment options.
Helicobacter pylori (H. pylori) is a type of bacteria that infects the stomach. Learn more about H. pylori including what it is and the conditions related to it.
What causes abdominal pain?
Trusted information on the causes of sudden severe abdominal pain and long-term recurring abdominal pain, and links to trusted resources