Helicobacter pylori (H. pylori)
Helicobacter pylori is one of the most common chronic infections in the world, quietly living in the stomach lining of roughly half of all people. For some, it causes no trouble at all. But for others it sits at the root of symptoms that never quite add up: the bloating after meals, the reflux that antacids don’t fully fix, the low energy that tracks back to stubborn iron or B12 levels, the nausea, the early fullness, the gnawing stomach pain. Because H. pylori can drive so many seemingly unrelated complaints, it’s often missed for years. Identifying and clearing it can resolve problems and protect the mucous membrane lining of the stomach and the colon long-term.
Think of your stomach lining like the multi-protective layer of a garden hose. H. pylori burrows into that liner and neutralizes the acid around itself, so it can survive and grow. Over time, the mucus membrane layer “thins”, the acid balance shifts, and everything downstream, including digestion, nutrient absorption, and comfort, starts to suffer.
What you should know about H. pylori
What H. pylori can disrupt
Digestion and stomach comfort (bloating, reflux, nausea, early fullness, upper abdominal pain), stomach acid production, and nutrient absorption. This is most commonly seen to reduce iron, vitamin B12, calcium, and magnesium. Left unchecked over years, it’s also the leading cause of peptic ulcers and a recognized risk factor for stomach cancer. The World Health Organization classifies H. pylori as a Group 1 (definite) carcinogen, and it’s considered the single most significant risk factor for gastric cancer.
Who should get tested
Anyone with ongoing reflux, bloating, nausea, or upper-abdominal pain that hasn’t resolved; people with unexplained iron-deficiency anemia or low B12; those with a history of ulcers or a family history of stomach cancer; and anyone whose digestive symptoms keep returning after being treated only at the surface. Because it spreads within households, testing close family members is often worthwhile when one person tests positive.
What our approach looks like
We start with accurate testing. The two most reliable non-invasive options are the urea breath test and the stool GI Map test. The stool GI Map test accurately detects H. pylori and other gut dysbiosis and is easily completed in the comfort of your own home. From there we build a treatment plan, confirm eradication with a follow-up test (not just a recheck of symptoms), and rebuild the gut afterward so it doesn’t keep happening.
Restoring the gut, not just silencing symptoms
Conventional care often treats the symptoms H. pylori produces as separate problems. Often a proton-pump inhibitor for the reflux, an iron supplement for the anemia, and an antacid for the discomfort are prescribed without asking what’s driving all of them at once. The irony is that many people with these symptoms are told they have too much stomach acid, when H. pylori is actually lowering it: the bacteria produce an enzyme that neutralizes acid to protect themselves, and low stomach acid causes bloating, reflux, and poor absorption of exactly the nutrients people turn up deficient in.
In functional medicine, we ask the deeper question: is H. pylori present, how much damage has it done, and what does the gut need to fully recover? Clearing the infection is the first step, but not the only one. We look at how much it has disrupted your stomach acid and nutrient status, we support the stomach lining as it heals, and we restore a healthy microbial balance so you’re not left vulnerable to reinfection or to the same symptoms creeping back.
Treatment is individualized. Standard antibiotic therapy can be completed; however herbal eradication is well tolerated and has the same lasting effects with fewer side effects and less disruption of the gut lining and the gut bacteria. Certain probiotics such as Saccharomyces boulardii improve eradication rates and reduce side effects; berberine has been shown to raise eradication success when added to standard therapy; and mastic gum can ease dyspepsia symptoms during treatment. We tailor the protocol to your test results, your history, and how your body tolerates each piece.
Common Questions about H. pylori
It can be, which is exactly why testing and treatment matter. Many people carry H. pylori for years with mild or no symptoms, but because it’s a recognized cause of ulcers and a Group 1 carcinogen for stomach cancer, it’s not something to leave untreated once it’s found. Especially if you have symptoms or a family history of stomach cancer. The reassuring part is that it’s very treatable. When the infection is properly identified, eradicated, and confirmed with a follow-up test, the long-term risks drop substantially, and most people feel meaningfully better as their stomach lining and nutrient levels recover. The key is to treat it thoroughly and confirm it’s actually cleared, rather than assuming feeling better means it’s gone.
The GI‑MAP (GI Microbial Assay Plus) is a comprehensive DNA‑based stool panel that uses quantitative PCR (qPCR) to detect and quantify many organisms at once. This includes bacteria, parasites, viruses, fungi, and H. pylori with some associated virulence factors (like cagA and vacA for H. pylori) and a limited set of gut function markers such as elastase‑1, steatocrit, and secretory IgA. Instead of telling you simply “H. pylori yes/no,” it can show relative abundance of pathogens, opportunists, commensals, and some immune/digestion markers, which is why it’s widely used in functional and integrative practice to map the gut “terrain” and not just single infections. This broader scope can help craft more comprehensive protocols (pathogen work plus mucosal, enzyme, and immune support), but it is more expensive and requires skilled interpretation to avoid over‑treating minor or ambiguous findings.
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