GERD & Acid Reflux Treatment in Tempe, AZ

The Nervous System's Role in Reflux

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Most reflux treatment focuses entirely on acid, but acid isn't the only thing going on. The valve at the bottom of your esophagus — called the lower esophageal sphincter — is controlled largely by the vagus nerve, the main line of communication between your brain and your gut. When that valve relaxes at the wrong time (a normal digestive event called a transient lower esophageal sphincter relaxation, or TLESR), stomach contents can escape upward, which is what actually produces the burning sensation people call reflux.

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This is where chiropractic care fits into your evaluation. As the vagus nerve exits the skull, it runs close to the upper cervical spine, so tension or restriction in that area can affect how well that signaling, and that valve, functions. I treat this as one contributor to assess alongside diet, digestive function, and stress, not the whole story on its own — which is exactly why it's built into a broader functional medicine evaluation rather than offered as a stand-alone fix. Our post on the vagus nerve, GERD, and chiropractic care covers the full mechanism in more detail.

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A Hands-On Technique With Early Research Behind It

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​Part of how I approach reflux in the clinic is a gentle, sustained hold over the upper abdomen, paired with your own breathing — visceral work aimed at the diaphragm and the valve at the bottom of the esophagus, rather than a spinal adjustment. This isn't something I invented: a small randomized controlled trial tested a similar technique against a sham treatment in adults with confirmed GERD and found a meaningful improvement in reflux symptoms after just two sessions (Misciagna et al., Journal of Clinical Medicine, 2019). The study was small and short-term — one week of follow-up — so it's early evidence rather than a settled answer, but it's a real signal that this kind of hands-on work can do something beyond the placebo effect, not just a theory.

Lifestyle Factors With Real Evidence Behind Them

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Reflux advice tends to come as a long list of foods to avoid, but the research doesn't back all of it equally. The American Gastroenterological Association's own guidance is specific: weight loss is recommended for anyone who's overweight and dealing with GERD, and elevating the head of the bed is recommended for anyone whose symptoms show up lying down. That second one is worth separating out from the first, though: raising the bed uses gravity to keep stomach contents down at night — it's managing the symptom while you sleep, not addressing why the valve is relaxing in the first place. It can get you through a rough stretch, but it isn't fixing anything, which is exactly the kind of distinction I walk patients through. Beyond those two interventions, the evidence for cutting specific trigger foods or avoiding late meals is thinner, and the AGA treats those as individual rather than universal. That's part of why this evaluation doesn't start with a generic list — it starts with what's actually true for your case, weight and sleep position included, alongside food sensitivities like the ones covered in our post on food sensitivities and digestive issues.