Canker clinical performance characteristics

Canker is gastric ulcer and duodenal ulcer Said, is a chronic diseases. Many occurred in young adults. Canker is on the main symptoms of abdominal pain, the clinical performance of the following characteristics: (1) longer course, disease Touching refractory. (2) the general season, climate change, easy to attack. (3) gastric ulcer in more than half an hour after meals to two hours within pain; In duodenal ulcer meal 2-4 hours beginning pain, until the next eating can ease pain, and often in the night attack.