The Root Cause

The Nervous System Root of Infant Colic

Colic affects up to 25% of all newborns and is typically defined as crying for more than three hours per day, more than three days per week, for more than three weeks. Pediatricians often describe it as having no known cause. But neurologically-focused chiropractors who work with infants see a consistent pattern: a nervous system stuck in a state of sympathetic overdrive, unable to shift into the parasympathetic calm that allows for normal digestion, sleep, and contentment.

The nervous system controls everything — including gut motility, gastric acid secretion, bowel function, and the pain signals that make a baby inconsolably upset. When the upper cervical spine is under stress from birth, the vagus nerve — the primary nerve responsible for rest and digestion — cannot function properly. This creates a cascade of digestive distress, heightened pain sensitivity, and difficulty self-soothing that shows up as what parents know as colic.

Chiropractic care for infant colic in Austin addresses this root neurological cause. It is not about adjusting a baby’s spine like an adult — it is about removing interference from the nervous system so that it can do the extraordinary job it was designed to do from birth.

Why It Happens

How Birth Stress Creates Nervous System Tension

Birth is a powerful physical event for both mother and baby. Even an uncomplicated delivery places significant compressive and torsional forces on an infant’s cervical spine and brainstem. The upper cervical vertebrae — the atlas and axis — are the most mobile segments in the spine and the most vulnerable to birth-related stress. When they become misaligned, they create neurological interference at the most sensitive period of a baby’s life.

Certain birth circumstances increase the likelihood of this occurring: posterior positioning, prolonged labor, precipitous delivery, forceps or vacuum extraction, C-section, or significant maternal pushing efforts. Many of the babies we see for colic and fussiness at our Austin practice have at least one of these factors in their birth story.

The good news is that infants respond quickly and beautifully to gentle care. Because their nervous systems are highly neuroplastic in the first months of life, the window for intervention is actually optimal. Parents who bring their colicky infants in for an assessment at River City Wellness often report noticeable improvement within the first three to five visits.

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Research

What the Research Says

Clinical Evidence

A 1989 randomized controlled trial published in the Journal of Manipulative and Physiological Therapeutics found that infants receiving chiropractic care showed a 67% reduction in crying hours compared to a 38% reduction in the control group receiving dimethicone (a common colic medication).

A 2012 systematic review published in the same journal concluded that manual therapy, including chiropractic, demonstrated positive outcomes for colic in the majority of studies reviewed.

The evidence consistently points in the same direction: when the nervous system is supported and interference is removed, colic improves — often rapidly and significantly.

What We Assess

Cervical range of motion, cranial symmetry, upper cervical alignment, primitive reflex integration, feeding posture, and INSiGHT nervous system scans. A complete picture before any care begins.

What the Adjustment Feels Like

Infant adjustments use no more pressure than a fingertip resting on a ripe peach. The goal is specific, not forceful. Most babies relax visibly during and after care, often falling asleep on the table.