Duodenal ulcer?

Duodenal ulcer is mainly manifested as upper abdominal pain, hunger pain and other symptoms, generally does not cause bitter mouth symptoms. Duodenal ulcer patients feel bitter mouth, may be caused by taking anti-inflammatory drugs; may also be caused by bile reflux gastritis or gastric ulcer diseases. It is recommended to go to the hospital gastroenterology department for detailed examination, to find out the specific causes and timely treatment.