The Neck-Migraine Connection: Dr. Marc Degennaro on Finding the Root Cause

Most people who arrive at Albemarle Family Chiropractic with a migraine history have already made the rounds: a primary care visit, a neurology referral, a triptan prescription, maybe a specialist conversation about Botox. Some have been managing — or trying to manage — the same headache pattern for years. What almost none of them have had is a thorough evaluation of their cervical spine.

That gap is where Dr. Marc Degennaro, DC starts. The Charlottesville chiropractor has spent years seeing migraine patients, and across that time a consistent clinical reality has emerged: wherever else the triggers originate — food, hormones, stress, barometric pressure — there's almost always a cervical component amplifying or sustaining the cycle. Finding it, and correcting it, is the first step toward getting patients out of the loop they've been stuck in.

The Cervical Connection Most Doctors Miss

The upper cervical spine — roughly the C1 through C3 region — shares neurological territory with the trigeminal nerve, the primary pain-signaling pathway involved in most primary headache disorders including migraines. When joints in this region become restricted or irritated, they can sensitize the trigeminal nucleus and contribute directly to head pain that feels entirely disconnected from the neck. A patient can have significant upper cervical dysfunction and never report neck stiffness — they just get headaches.

This mechanism is well-documented. A systematic review published in the Journal of Manipulative and Physiological Therapeutics found that spinal manipulation produces outcomes comparable to commonly used first-line pharmacological interventions for both tension-type and migraine headaches — and with a more favorable side-effect profile.^[1] For patients who've been told their only options are medication management or riding it out, that's a significant finding.

Dr. Degennaro sees this play out clinically, patient after patient.

The atlas (C1) and axis (C2) protect the junction where the brainstem transitions into the spinal cord — a region involved in autonomic function, pain modulation, and vascular tone regulation. Restriction at this level doesn't just cause local discomfort. It creates neurological noise that can manifest as head pain, visual disturbances, or the light and sound sensitivity that marks a full migraine episode. Understanding what chiropractors actually do in this context matters: upper cervical adjustments are often light-force, highly specific, and guided by careful palpation — not the dramatic twisting most patients imagine.

Decoding the Trigger Landscape

Migraines are not a uniform condition. They're the convergence of neurological predisposition, structural vulnerabilities, and a constellation of external triggers that combine differently in each person. Research confirms that most migraine patients report multiple co-existing triggering factors — and that understanding how those triggers interact is as clinically important as managing any single one.^[2] This is what makes migraine management hard. And it's exactly why Dr. Degennaro reaches for a headache diary as one of his first tools.

The diary isn't a formality. It's a diagnostic instrument. Patients record what they ate and drank in the hours before a headache arrived, how they slept, what their stress load looked like, whether the weather shifted. Over two to three weeks, patterns emerge that no blood panel or imaging study can reveal.

The dietary triggers Dr. Degennaro sees most often include chocolate, fermented and aged foods, and aspartame — the artificial sweetener embedded in diet sodas, sugar-free gum, and hundreds of processed food products. Aged cheeses, red wine, cured meats, and kombucha all contain tyramine, a vasoactive compound that can affect cerebral blood flow and provoke migraines in susceptible individuals. A 2025 study examining patient awareness of migraine triggers found that dietary factors remain consistently underappreciated by patients and underexplored in clinical encounters, despite their measurable impact on attack frequency.^[4]

The headache diary makes these connections real and personal. For one patient, red wine alone may not trigger anything — but red wine on top of a poor night's sleep and a high-stress workweek is a reliable three-hit combination. That's the insight a diary generates. Understanding how food affects migraine patterns requires this kind of longitudinal, patient-specific view. A generalized trigger list is a starting point; six weeks of diary data is something a practitioner can actually work with.

Environmental factors operate by the same logic. Barometric pressure drops, strong perfumes, fluorescent lighting, and hormonal fluctuations all show up in patient diaries with enough regularity to be taken seriously. Some triggers are controllable — a patient can stop buying diet soda. Others require adaptation strategies. But knowing the full trigger landscape is the prerequisite for any effective plan.

Getting to the Root, Not Just the Relief

Dr. Degennaro isn't dismissive of pharmaceutical migraine treatment. Evidence-based guidelines support preventive pharmacotherapy for patients with frequent, disabling migraines, and medications like topiramate and valproate have demonstrated real reductions in attack frequency.^[3] For some patients in acute crisis, medications are the right call.

But there's a structural limit to what those medications can accomplish, and Dr. Degennaro sees it often in the patients who arrive at his door after years of drug management.

No migraine medication addresses joint restriction in the upper cervical spine. No prescription neutralizes a tyramine sensitivity compounded by years of dietary patterns. No Botox injection changes the fact that a patient's C1-C2 junction is chronically restricted and loading the trigeminal nucleus with persistent mechanical irritation. These aren't medical failures — they're simply outside the scope of what drugs are designed to do. The pharmaceutical model manages the signal. The chiropractic model looks for the source.

That distinction is what brings patients to Albemarle Family Chiropractic — often after years of being told their migraines are something to manage rather than something to solve. Dr. Degennaro's approach doesn't promise overnight resolution. What it does promise is a thorough investigation: the cervical exam that was never performed, the headache diary that reveals the triggers no one asked about, the adjustment that addresses what no pill can reach. For many patients, that investigation is the first time anyone has looked for the actual cause.

If you're dealing with migraines that haven't responded to conventional treatment, a root-cause practitioner may be the missing piece. The Holistic Health practitioner directory can help you find a chiropractor or integrative provider in your area who takes this kind of approach — because the answer to a recurring headache is rarely just a stronger medication. It's usually a better question.