(HealthDay News) -- A peptic ulcer is a sore that occurs in the lining of the stomach or small intestine.
A bacterium, called H. pylori, causes the sore to form. While the foods you eat don't cause peptic ulcers, foods can aggravate these sores.
Peptic ulcers can be treated with antibiotics and acid-reducing medications.
The National Digestive Diseases Information Clearinghouse lists these common warning signs of a peptic ulcer: