What are Duodenal or Peptic Ulcers? PEPTIC ULCER Peptic ulcer is sore in the lining of stomach ,first part of small intestine known as duodenum.burning pain is the common symptom.Starts before or after meals,troubles more during nights. Pain lasts for minutes to hours.suffers from days to weeks. Peptic ulcer happens when the acids that helps … Continue reading Duodenal UlcerL- Gastric