Tests for the diagnosis of gastritis .. Blood tests and the use of barium peak or make radiographs of the stomach and the twelve and upper gastrointestinal endoscopy

Your doctor may need to do some tests, including:
  1 - Blood tests to detect the presence of bleeding or the presence of bacteria causing inflammation.
  2 - Use barium top or make radiographs of the stomach and the twelve.
  3- Upper gastrointestinal endoscopy by inserting a lit tube into the stomach and looking through the tube.