Duodenitis

Duodenitis refers to inflammation of the duodenum, which is divided into two types: primary and secondary, with primary duodenitis also known as nonspecific duodenitis. The clinical symptoms of this disease lack specificity, mainly manifesting as upper abdominal pain, nausea, vomiting, hematemesis, and melena. It is sometimes not easy to distinguish from duodenal ulcer, and clinical symptoms alone cannot confirm the diagnosis. This disease often coexists with chronic gastritis, chronic hepatitis, liver cirrhosis, biliary tract diseases, or chronic pancreatitis.