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What Your Gut Is Trying to Tell You

Patient-focused articles on stomach acid, digestive health, and the science behind the Heidelberg test.

Written by Michael D. Erdman, MBBS

Do PPIs Make You Feel Worse? What Your Doctor Might Be Missing

Proton pump inhibitors are prescribed to reduce stomach acid. For some patients, they make symptoms worse. When reflux is caused by insufficient acid rather than excess acid, suppressing production further can intensify bloating, SIBO, nutrient deficiencies, and the reflux itself.

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The Stomach Acid Paradox: When Reflux Means Too Little Acid, Not Too Much

Most people assume that heartburn and reflux are caused by excess stomach acid. In a significant number of patients, the opposite is true. Insufficient acid production leads to delayed gastric emptying, increased fermentation, and reflux of stomach contents into the esophagus.

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Why Your SIBO Keeps Coming Back

Small intestinal bacterial overgrowth recurs in a significant proportion of patients after successful treatment. Antimicrobial protocols clear the overgrowth but do not address the conditions that allowed it. Gastric acid is the primary barrier preventing bacteria from reaching the small intestine.

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The Heidelberg pH Capsule is a Class I medical device, 510(k)-exempt, listed with the U.S. Food and Drug Administration under 21 CFR §876.1400. Listing of a device does not denote FDA approval, clearance, or endorsement.

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