1. Enteritis

Varies according to the pathogen. Generally, it should be initially recognized on the basis of history and clinical manifestations. Further diagnosis depends on laboratory tests. Bacterial enteritis can be vomit and stool cultures, obtaining pathogenic bacteria can be diagnosed.

2. Chronic gastritis

Chronic gastritis symptoms are non-specific, signs are rare, X-ray examination is generally only helpful to exclude other gastric diseases, so the diagnosis depends on gastroscopy and gastric mucosa biopsy. In China, 50% to 70% of patients in the gastric mucosa can be found in the Helicobacter pylori.