38. Helicobacter pylori, Low Stomach Acid & Histamine: The Gut Cascade Explained

In this episode of The Histamine Well Podcast, Joanne explains how Helicobacter pylori (H. pylori) can quietly drive histamine intolerance, SIBO, and hormone imbalance — even without classic ulcer or reflux symptoms.H. pylori produces urease, converting urea into ammonia and lowering stomach acid. This reduction in hydrochloric acid can impair protein digestion, weaken pathogen control, and disrupt digestive signaling — creating the perfect environment for small intestinal bacterial overgrowth (SIBO) and rising histamine levels. The result can be a “histamine storm” of inflammation and systemic symptoms.Common signs may include:Food reactionsBloating and gasHives or eczemaAnxiety and insomniaHeadachesPMS, estrogen dominance, and perimenopause flaresJoanne also discusses the pros and cons of triple therapy (antibiotics plus proton pump inhibitors), post-treatment gut repair, and natural strategies such as sulforaphane and gut-healing support.If your histamine symptoms persist despite dietary changes, this episode explores a deeper gut–histamine–hormone connection that may be driving the root cause.What You’ll Learn:How H. pylori disrupts stomach acid and digestionThe link between low stomach acid, SIBO, and histamine intoleranceWhy mast cell activation increases systemic symptomsHow histamine impacts estrogen and perimenopauseTreatment considerations and natural support options✨ Want more? Follow on Instagram, Facebook, and YouTube for updates and tips.📘 New to this journey? Buy The Ultimate Bundle for Managing Histamine Intolerance—your step-by-step guide to manage your histamine intolerance effectively. 🧪 Curious about your methylation status? Try our at-home Methylation Test! In just 15 minutes, discover if you're over-methylating or under-methylating and receive targeted supplement recommendations to help rebalance. Use code HISTAMINEWELL10 for 10% off.🎓 Practitioner or student? Join the waitlist for the Histamine & Methylation Online Group Coaching Course starting early 2026!📆 Work with us 1:1! Book a consultation and take your first step to real healing.🎤 Have a topic suggestion? Submit it here!