Duodenal bulbar inflammation with celiac disease is mainly manifested as epigastric pain, nausea and vomiting, acid reflux, belching, vomiting blood, black stools and other symptoms, and it is recommended to consult a doctor in time for active treatment. 1. Epigastric pain. After the duodenal bulb lesions, epigastric pain can show a certain periodicity and regularity, usually in the fasting, night swelling and pain is obvious, and after eating pain relief; if the degree of erosion is more serious, the pain can be radiated to the back. 2. Nausea and vomiting. The manifestation is often felt in the epigastric discomfort, which may appear nausea and vomiting, and the vomit is gastric contents. 3. Acid reflux. This symptom is characterized by acid reflux in the throat and mouth, accompanied by a burning sensation in the stomach, which commonly occurs after eating and at night. 4. Belching. Commonly known as hiccups, manifested by frequent hiccups. 5. Vomiting blood. This is the vomiting of fresh blood, coffee-colored material, which can occur repeatedly. 6. Black stool. This is characterized by black, tarry stools.