H. Pylori: Could This Common Infection Be Affecting Your Gut Health?

Between 50% and 75% of the world's population carries H. pylori in the gastrointestinal tract, yet only about 20% ever show symptoms. That gap is why the infection so often goes unnoticed, even though it is tied to some serious conditions.

Not every strain behaves the same way. Some are more pathogenic than others, which helps explain why one person carries the bacteria silently while another develops an ulcer.

H. pylori can spread through saliva, vomit and stool, and through contact with pets.

What is H. pylori?

Helicobacter pylori (H. pylori) is a type of bacteria that can live in the stomach. It is very common, and many people carry it without experiencing any symptoms.

H. pylori can damage the protective lining of the stomach, making it more sensitive to stomach acid and digestive enzymes. This may lead to inflammation, irritation, and sometimes ulcers in the stomach or the upper part of the small intestine, called the duodenum.

The bacteria produce an enzyme called urease, which helps them survive in the acidic environment of the stomach. They can also attach to stomach cells and weaken the stomach's natural protective barrier.

Although many people with H. pylori never develop serious complications, a persistent infection can increase the risk of stomach ulcers and, in some cases, stomach cancer.

What H. pylori is linked to?

Long-standing infection is associated with several digestive and stomach conditions:

    •    Peptic ulcer and duodenal ulcer

    •    Gastric carcinoma (stomach cancer)

    •    MALT lymphoma

    •    SIBO (small intestinal bacterial overgrowth)

    •    Autoimmune gastritis, which H. pylori can trigger

The link to SIBO and autoimmune gastritis matters because both can involve low stomach acid, and low acid sets off its own chain of digestive and nutrient problems.

H. pylori as an autoimmune trigger?

Beyond the stomach, H. pylori is considered a possible trigger for several autoimmune conditions:

    •    Immune thrombocytopenic purpura (ITP)

    •    Systemic lupus erythematosus (SLE)

    •    Autoimmune thyroid disease, including Hashimoto's

    •    Autoimmune hepatitis

This is one reason testing is worth considering when autoimmune disease, low stomach acid or unexplained gut symptoms show up together.

How H. pylori is detected?

There are five main ways to test for it:

    •    Blood antibody test (ELISA IgG): looks for antibodies your immune system has made against the bacteria. It can't always tell a current infection from a past one.

    •    Stool antigen test: checks the stool for proteins from the bacteria.

    •    Carbon urea breath test: you swallow a small dose of carbon-labeled urea, and a breath sample shows whether the bacteria are breaking it down.

    •    Polymerase chain reaction (PCR) via stool: looks for the bacteria's genetic material in a stool sample.

    •    Endoscopy with biopsy: a camera examines the stomach lining and a small tissue sample is tested directly.

How I Can Help?

As a Certified Nutritional Practitioner, I can help you explore functional stool testing that provides information about H. pylori and other important digestive health markers.

Based on your individual needs and test results, I can create a personalized nutrition and lifestyle plan to support your gut health alongside appropriate medical care.

Ready to take the next step toward better gut health? Book a consultation to explore your options.