The evaluation of gastritis begins with a history and physical examination.
The physical exam in someone with gastritis is usually normal.
Physical findings in someone with advanced gastritis may include:
Tests may be necessary to detect complications, such as bleeding.
Tests that may be used to evaluate gastritis include:
- Complete blood count
- Coagulation profile
- Serum amylase
- Serum lipase
- Serum gastrin levels:
- Can detect Zollinger-Ellison syndrome
- Tests for Helicobacter pylori infection:
- Helicobacter pylori breath test
- Helicobacter pylori blood test
- Helicobacter pylori biopsy test
- Helicobacter pylori stool test
- Stool guaiac test for intestinal bleeding
- Upper GI series:
- A barium x-ray study of the stomach and upper intestines
- Upper GI endoscopy:
- Allows direct inspection of the stomach and duodenum
For more information:
Continue to Gastritis Treatment
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- Genta RM. Review article: after gastritis--an imaginary journey into a Helicobacter-free world. Aliment Pharmacol Ther. 2002 Jul;16 Suppl 4:89-94. 
- Harford WV, Barnett C, Lee E, Perez-Perez G, Blaser MJ, Peterson WL. Acute gastritis with hypochlorhydria: report of 35 cases with long term follow up. Gut. 2000 Oct;47(4):467-72.