Migraines

Condition: Migraines  |  Category: Neurological Health  |  Reviewed by: Brian Lamkin, DO

What Is a Migraine?

A migraine is a recurrent neurovascular disorder characterized by episodes of moderate to severe headache, typically unilateral, often accompanied by nausea, vomiting, and sensitivity to light, sound, and movement. Approximately one-third of migraine patients experience aura: visual disturbances (flashing lights, zigzag lines) or sensory changes preceding the headache phase. Migraines affect over one billion people worldwide, making them the third most prevalent illness globally and a leading cause of disability in people under 50.

The migraine cascade involves cortical spreading depression (a wave of neuronal depolarization across the cortex), activation of the trigeminovascular system (releasing CGRP and other vasoactive neuropeptides), neurogenic inflammation of the meningeal blood vessels, and central sensitization of pain pathways. This complex cascade is initiated by identifiable triggers that lower the activation threshold: magnesium deficiency, histamine excess, hormonal fluctuations, blood sugar instability, mitochondrial dysfunction, gut-brain axis disruption, food sensitivities, and sleep disruption.

Why Migraines Matter

Common Symptoms

Root Causes: A Functional Medicine Perspective

Migraines are not caused by a single mechanism. They occur when cumulative triggers lower the cortical spreading depression threshold below the activation point. Functional medicine identifies and corrects each trigger.

Magnesium Deficiency

Magnesium deficiency is present in up to 50 percent of migraine patients. Magnesium stabilizes cortical excitability by regulating NMDA receptor calcium influx, supports mitochondrial ATP production, and maintains vascular smooth muscle tone. When intracellular magnesium is depleted, the cortex becomes hyperexcitable and the threshold for spreading depression drops. RBC magnesium (not serum magnesium) is the appropriate test because serum is tightly regulated and appears normal while intracellular stores are depleted. Magnesium glycinate at 400 to 600mg daily reduces migraine frequency by approximately 40 percent in deficient patients.

Mitochondrial Dysfunction and Energy Deficit

The brain consumes 20 percent of the body's energy. Mitochondrial dysfunction reduces the neuronal energy reserve, making the brain vulnerable to metabolic stressors that trigger cortical spreading depression. Riboflavin (vitamin B2, 400mg daily), CoQ10 (300mg daily), and alpha-lipoic acid support the mitochondrial electron transport chain. These three supplements have Level B evidence for migraine prevention and directly address the bioenergetic vulnerability.

Hormonal Triggers

Menstrual migraines affect approximately 60 percent of women with migraines. The trigger is estrogen withdrawal in the late luteal phase: estrogen modulates serotonin, CGRP, and prostaglandin signaling in the trigeminovascular system, and its rapid decline destabilizes these pathways. Estradiol and progesterone mapping through the cycle identifies the hormonal pattern. Stabilizing estrogen through the perimenstrual window (transdermal estradiol, progesterone support) reduces menstrual migraine frequency.

Histamine and the Gut-Brain Axis

Histamine intolerance is a significant and frequently overlooked migraine trigger. Histamine produces meningeal vasodilation and neurogenic inflammation directly within the trigeminovascular system. Impaired DAO enzyme function, histamine-producing gut bacteria, and mast cell instability all increase the histamine burden. Patients whose migraines are triggered by aged cheese, wine, fermented foods, and weather changes often have an underlying histamine mechanism. Low-histamine dietary modification and DAO enzyme support can be transformative for this subgroup.

Blood Sugar Instability and Food Sensitivities

Reactive hypoglycemia produces counter-regulatory responses (adrenaline, cortisol) that can trigger the migraine cascade. Fasting, skipping meals, and high-glycemic meals followed by blood sugar crashes are common migraine triggers. Food sensitivities (IgG-mediated delayed hypersensitivity) trigger inflammatory responses 12 to 72 hours after exposure. Common migraine-triggering foods include gluten, dairy, aged cheese, processed meats, and MSG, though triggers are individual.

Conventional vs Functional Medicine Approach

Key Labs to Evaluate

How to Interpret These Labs Together

Common Patterns Seen in Patients

• The patient on 3 preventive medications still having 10 migraines per month: Topiramate, propranolol, and amitriptyline prescribed without any metabolic evaluation. RBC magnesium 4.2 (depleted), vitamin D 19, hs-CRP 2.8. Magnesium repletion, vitamin D optimization, and anti-inflammatory dietary modification reduced frequency from 10 to 2 per month within 3 months. Two of three preventive medications were discontinued.
• The woman with migraines "that started on birth control": Migraines began 6 months after starting combined oral contraceptive. Migraine with aura on estrogen-containing contraception carries increased stroke risk. Contraceptive change to progestin-only plus magnesium, riboflavin, and CoQ10. Migraine frequency reduced by 75 percent and stroke risk eliminated.
• The patient with migraines, bloating, and fatigue whose neurologist never asked about the gut: 15 migraines per month with concurrent IBS-like symptoms and persistent fatigue. Comprehensive stool analysis revealed significant dysbiosis with elevated histamine-producing species and elevated calprotectin. Intestinal permeability confirmed. Gut restoration protocol produced concurrent improvement in migraines, GI symptoms, and fatigue. Three conditions, one mechanism, one treatment.

Treatment and Optimization Strategy

Multi-Trigger Migraine Prevention

What Most Doctors Miss

• RBC magnesium is not tested: the most common nutritional deficiency in migraine patients is invisible without intracellular magnesium measurement. Serum magnesium appears normal while tissue stores are depleted.
• Mitochondrial bioenergetics are not evaluated: riboflavin, CoQ10, and alpha-lipoic acid have stronger evidence for migraine prevention than most prescription preventives, yet they are rarely recommended by neurologists.
• The gut-brain connection is ignored: histamine-producing bacteria, intestinal permeability, and food sensitivities are significant migraine drivers that standard neurological evaluation does not assess.
• Hormonal triggers are acknowledged but not treated metabolically: menstrual migraines are managed with triptans rather than hormonal stabilization that prevents the trigger from occurring.

When to Seek Medical Care

If you experience recurrent migraines, migraines that are increasing in frequency, migraines that do not respond adequately to standard preventive medications, or migraines with aura, a comprehensive evaluation of the metabolic, hormonal, inflammatory, and gut-brain mechanisms contributing to your migraine pattern is warranted. Migraine prevention is most effective when the specific triggers driving your episodes are identified and addressed individually.

Recommended Testing

Frequently Asked Questions

How The Lamkin Clinic Approaches Migraines

At The Lamkin Clinic, migraine management begins with comprehensive trigger identification: RBC magnesium, hormonal mapping, histamine and DAO assessment, food sensitivity evaluation, gut health analysis, and inflammatory markers. Treatment targets each identified trigger with specific interventions: magnesium and mitochondrial cofactor supplementation, hormonal stabilization for menstrual migraines, histamine management for histamine-mediated attacks, gut restoration for gut-brain driven migraines, and food sensitivity elimination. The goal is frequency reduction through biological correction, with medication minimization as function is restored.

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