[[File:Duodenal ulcer.gif|thumb|350px|left|Duodenal Ulcer]]Is a form of [[Peptic Ulcers]]. Peptic ulcers are open sores that develop on the inside lining of your esophagus, stomach and the upper portion of your small intestine. The most common symptom of a peptic ulcer is abdominal pain.Duodenal ulcers that occur on the inside of the upper portion of your small intestine (duodenum)
== Symptoms ==