H. Pylori Infection falls under the Gut Health category.

Evidence-based

H. Pylori Infection

Fact-checked by:

Shyam Jayaraman, Nick Milazzo

•Last Updated: November 20, 2025

Helicobacter pylori is a type of bacteria that infects the stomach. It is the most common cause of gastritis and peptic ulcers. It can also cause stomach cancer. There are typically no symptoms with infection, but symptoms may include indigestion and pain in the upper abdomen.

Fact-checked by:

Last Updated:November 20, 2025

Research Snapshot

23 references on this page

21,098 participants in 6 trials and 4 meta-analyses

Examine Evidence Grades

AAbdominal Pain + 3 more

BAdverse Events + 5 more

Overview

What is H. pylori?

What are the main signs and symptoms of H. pylori infection?

How is H. pylori infection diagnosed?

What are some of the main medical treatments for H. pylori infection?

Have any supplements been studied for H. pylori infection?

How could diet affect H. pylori infection?

Are there any other treatments for H. pylori infection?

What causes H. pylori infection?

Examine Database: H. Pylori Infection

Lactobacillus reuteri

2 outcomes

1 outcome

8 outcomes

1 outcome

4 outcomes

N-Acetylcysteine

1 outcome

Research FeedRead all studies

Frequently Asked Questions

How does H. pylori infection affect the gastric microbiome?

What role might H. pylori infection play in other diseases?

References

Examine Database References