Duodenal bulb ulcers are mainly caused by excessive gastric acid secretion, Helicobacter pylori infection, long-term use of non-steroidal anti-inflammatory drugs, duodenal bulb ulcers are mainly abdominal pain, especially hunger pain, some patients may have abdominal distension, belching and other symptoms, such as ulcers are larger and deeper bleeding may occur, or even perforation, and should be actively treated. Under normal circumstances gastric acid and gastric mucosa is in a stable state, when gastric acid secretion will lead to mucosal damage, it will lead to the occurrence of ulcers. The vast majority of patients with duodenal bulb ulcers are associated with Helicobacter pylori infection, which can lead to the development of ulcers and is accompanied by symptoms such as dyspepsia and abdominal pain. Long-term use of NSAIDs such as aspirin capsules, ibuprofen capsules, celecoxib and other medications can damage the mucosa and lead to the development of ulcers. If you are diagnosed with duodenal bulb ulcers or have suspicious symptoms, it is important to consult a doctor in a timely manner, complete a gastroscopy and other tests, and follow the doctor’s instructions to take medication regularly for treatment.