Digestive symptoms: what upper cervical research has looked at

The stomach pain, the nausea, the episodes nobody can explain. The scopes and the blood work came back normal.

Illustration: the top vertebra of the neck, with blue nerve threads branching out from it to the whole body

The vagus nerve, which helps run digestion, leaves the skull right beside the top of the neck. That is why some researchers have asked whether the upper neck plays a part in unexplained digestive symptoms. The only published upper cervical reports we could verify are about two children. We list them because they are real, and we are clear that they are about children.

2 studies on this page

Designs: Case report
Published: 2010 to 2026

Where these studies sit, by design and year

2 studies, published 2010 to 2026. Strongest design: case report.

the studies

What each study looked at

Strongest study design first. The dots show the design, from a single case (one dot) to a controlled trial (four). How to read this library

Case report2026Knee Chest upper cervical

An 8-year-old with morning headaches and stomach pain

Who and how many: One girl, 8, with months of stomach pain, morning headaches, neck pain running into her arm with numbness, and episodes of vomiting. Neither working diagnosis had been confirmed.
What was measured: Exam findings and the family's reports over about 16 months of Knee Chest upper cervical care, alongside her regular medical care.
What was found: The family reported improvement in her arm symptoms, posture and stomach pain. Her stomach symptoms came back during a stretch with fewer visits.
Limits: No validated outcome measure and no brain imaging. The author says the improvement can't be told apart from the natural course of an undiagnosed condition, and makes no claim of cause.

Read the abstract on PubMed → Source 1

Case report2010Low-force upper cervical

A 7-year-old girl with cyclic vomiting

Who and how many: One girl, 7, with four and a half years of cyclic vomiting episodes, plus two months of headaches and stomachaches.
What was measured: Her symptoms during low-force upper cervical care.
What was found: Her symptoms improved within an hour of the first visit. They came back only after a direct injury to her neck, and eased again right after the next visit.
Limits: One child and no comparison. The authors say controlled studies are needed.

Read the abstract on PubMed → Source 2

before you draw conclusions

What this research does and doesn't tell you

Two children, one case each, and no adult studies. One of the authors says plainly that the improvement can't be told apart from the natural course of the condition. Ongoing digestive symptoms need a medical workup first.

Published research can't predict what will happen for any one person, including you. Studies report averages and single stories; your nervous system is your own. That is why The Lazar Method^™ starts with measurement, not with a promise.

We measure first, so the answer is about you, not an average.

Before any correction we measure how your nervous system is regulating your body: heart rate variability, thermal and muscle tone scans, PostureIQ™, and digital X-ray of the upper neck. QSM3, the method used at our office, is a progression of NUCCA. Dr. Jonathan Lazar, D.C., or someone personally trained by him, will go over your scans and images with you.

If we can help, we'll tell you. If we can't, we'll help you find someone who can.

Talk it through on a 15-minute Clarity Call →

This page is educational and is not medical advice. Keep the doctors who know you in the loop.

citations

Sources

Rai S. 2026. Migraine-Type Headache and Functional Gastrointestinal Symptoms of Unconfirmed Aetiology in a Paediatric Patient Managed with Knee Chest Upper Cervical Chiropractic Care: A Case Report. Cureus 18(10):e117285. PubMed 42967101 · DOI 10.7759/cureus.117285 · free full text
Hubbard TA, Crisp CA. 2010. Cessation of cyclic vomiting in a 7-year-old girl after upper cervical chiropractic care: a case report. J Chiropr Med 9(4):179-83. PubMed 22027110 · DOI 10.1016/j.jcm.2010.07.006 · free full text

Titles are quoted exactly as published. Sources checked 2026-11-03.

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