Functional Medicine
Environmental and Food Allergies
Allergies aren't random. They're your immune system overreacting because something upstream is off. Gut permeability, histamine intolerance, nutrient deficiencies, and immune dysregulation all make allergies worse. We address the root cause, not just the histamine response.
Why Your Allergies Keep Getting Worse
You used to tolerate foods you can't eat now. Your seasonal allergies are worse every year. You react to things that never bothered you before. Antihistamines help less and less. Your allergist prescribed more medications but nobody asked why your immune system is becoming increasingly reactive.
Allergies and food sensitivities are symptoms of immune dysregulation. They escalate when the gut barrier breaks down (allowing proteins into the bloodstream that trigger immune reactions), when histamine clearance is impaired (DAO enzyme deficiency), when nutrient deficiencies leave the immune system poorly regulated, and when chronic inflammation keeps the immune system on high alert.
The conventional approach is avoidance and antihistamines. That manages the reaction but does nothing about why you're reacting more. Functional medicine asks: what changed? Why is your immune system overreacting? And what can we do about the underlying driver?
“Trauma and the mind-body connection is not a psychological experience. It's really a physiological imprint.”
Colin Renaud, DC, PA-C: Trauma Creates a Physiological Imprint
Provider Insight
“It was looking at more of the root cause, not just treating symptoms. That wasn't working for my symptoms with normal medical doctors.”
Victoria: Root Cause, Not Just Symptom Management
Patient Story
“It was looking at more of the root cause, not just treating symptoms. That wasn't working for my symptoms with normal medical doctors.”
Victoria: Root Cause, Not Just Symptom Management
Patient Story
“There were things on there that I hadn't known. For example, Hashimoto's disease. I had asked my physician to test me for that and they didn't. And that did come up on there.”
Laura: Hashimoto's Discovered After Years of Being Dismissed
Patient Story
“Most providers are running labs based on the medications they can give. If your medication only requires monitoring TSH, they don't care what the rest of the thyroid panel looks like.”
Colin Renaud, DC, PA-C: Providers Test Based on Medications, Not You
Provider Insight
“There were things on there that I hadn't known. For example, Hashimoto's disease. I had asked my physician to test me for that and they didn't. And that did come up on there.”
Laura: Hashimoto's Discovered After Years of Being Dismissed
Patient Story
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Treating Allergies at the Source
We assess gut health, inflammatory markers, nutrient status, and immune function. For many patients, healing the gut and addressing nutrient deficiencies resolves or dramatically reduces allergic responses.
- Gut barrier repair. Intestinal permeability ("leaky gut") allows food proteins into the bloodstream, triggering immune reactions. We identify and repair gut barrier dysfunction.
- Histamine metabolism. Some patients have impaired histamine clearance (low DAO enzyme activity). We identify this pattern and support proper histamine breakdown.
- Immune regulation. Vitamin D, zinc, and omega-3s directly modulate immune responses. Deficiency in any of these makes allergic reactions more severe.
- Microbiome restoration. Specific gut bacteria strains influence how your immune system responds to allergens. Dysbiosis shifts the immune system toward hyperreactivity.
- Inflammation reduction. Chronic systemic inflammation primes the immune system to overreact. We identify and address the sources of inflammation.
Many patients report significant reduction in food sensitivities and seasonal allergies within 2-3 months of gut repair and immune support protocols.
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Related Content
Articles, patient stories, and podcast episodes about environmental and food allergies.
FAQ
Environmental and Food Allergies FAQ
True IgE-mediated food allergies (anaphylaxis risk) require ongoing avoidance. However, most 'food sensitivities' (IgG-mediated reactions) can be resolved by healing gut permeability and reducing inflammation. Many patients reintroduce previously reactive foods after 3-6 months of gut repair.
We focus on the root cause of immune hyperreactivity rather than cataloging every food you react to. We test inflammatory markers, gut health, nutrient status, and immune function. Addressing these resolves most sensitivities without needing an elimination list of 40 foods.
Histamine intolerance is real and underdiagnosed. It causes headaches, flushing, digestive issues, and allergy-like symptoms from high-histamine foods. We identify impaired histamine clearance and support the enzymatic pathways that break it down.
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