Follow-up test for H. pylori infection

For some people who have taken medicine to treat a Helicobacter pylori (H. pylori) infection, a follow-up test may be needed to make sure the infection is cured. The American College of Gastroenterology recommends a follow-up test to check for H. pylori infection whenever:1

  • A peptic ulcer is caused by H. pylori infection.
  • Stomach (gastric) mucosa-associated lymphoid tissue (MALT) lymphoma is caused by H. pylori infection.
  • Upset stomach (dyspepsia) symptoms are present even after H. pylori infection was tested for and treated.
  • Resection of early stomach (gastric) cancer has been done.


  1. Chey WD, et al. (2007). American College of Gastroenterology guideline of the management of Helicobacter pylori infection. American Journal of Gastroenterology, 102(8): 1808–1825.

Last Updated: January 28, 2010

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