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Autoimmune diseases are on the rise here in the United States — and the increase affects nearly every type of autoimmune condition. We’re witnessing an unprecedented surge in cases, impacting millions of people each year.

In the coming articles, you’ll learn more about the underlying causes and autoimmune disease triggers that drive this epidemic—and most importantly, what you can do to regain control of your health.

You’ll also discover how functional medicine takes a different approach to autoimmunity—by identifying why the immune system becomes overactive in the first place and how restoring balance can help reduce inflammation, calm symptoms, and promote lasting healing.

Autoimmune disease  

 What is Autoimmune Disease?

Autoimmune disease occurs when the immune system begins targeting self-tissue of the body causing destruction of that tissue or organ.  The type of tissue that is destroyed in this process determines the type of autoimmune disease.  There are many different Autoimmune diseases that have been identified, some you are probably arelady familiar with.

Autoimmune Disease Triggers: What’s Fueling Your Immune System

Autoimmune diseases are complex — and so are their causes. In functional medicine, we don’t just focus on what autoimmune disease you have; we focus on why your immune system became unbalanced in the first place.

Understanding your unique autoimmune disease triggers is the first step toward calming inflammation, reducing flare-ups, and restoring balance to your body.

What Are Autoimmune Disease Triggers?

Your immune system’s job is to protect you from viruses, bacteria, and toxins. But sometimes, that system becomes confused — it begins attacking your own tissues, mistaking them for invaders. This process leads to chronic inflammation and a wide range of autoimmune conditions.

From a functional medicine perspective, there’s no single cause of autoimmunity. Instead, there are multiple autoimmune triggers that can disrupt immune tolerance. These triggers often overlap and build on each other over time, eventually tipping the immune system out of balance.

When we can identify and address these triggers, the body often has an incredible ability to heal itself.

Common Autoimmune Triggers

Here’s an overview of some of the most common autoimmune disease triggers explored in functional medicine.

Each topic below links to a more detailed explanation of how it may contribute to immune dysfunction and what can be done about it.

  • Infections – Infections include Latent viral, bacterial, or parasitic infections (like EBV, H. pylori, or Lyme) can activate immune cross-reactivity and chronic inflammation.
  • Dietary Food Antigens & Allergies – Food allergies and even non-allergic food sensitivities can provoke the immune system through a mechanism known as molecular mimicry. Foods like gluten, dairy, soy, and corn are frequent culprits in triggering immune reactions.
  • Nutritional Imbalances and Vitamin Deficiencies- Vitamins play critical roles in the regulation of the immune system. When nutritional imbalances and vitamin deficiencies, immune balance can tip toward chronic inflammation, immune confusion, and tissue damage — all hallmarks of autoimmune disease.
  • Hormones – Hormonal imbalances involving estrogen, progesterone, Testosterone, DHEA, Cortisol or thyroid hormones can influence autoimmune activity — often explaining why women are more affected.
  • Stress and Cortisol – Chronic stress depletes cortisol balance, weakens gut integrity, and fuels autoimmune flare-ups. Both High and Low Cortisol levels cause problmes for people with autoimmune disorder. 
  • Medications – Certain medications can alter immune signaling, disrupt the gut microbiome, or increase intestinal permeability.
  • Heavy Metals Burden – Heavy Metals like Mercury, lead, and other heavy metals can interfere with immune regulation and increase oxidative stress.
  • Toxins – Everyday environmental chemicals — from pesticides to plastics — can act as immune disruptors.
  • Oxidative Stress – When oxidative stress becomes chronic, it damages cellular membranes, proteins, and even DNA. This cellular injury releases “danger signals” that keep the immune system in a constant state of activation.
  • Chronic Inflammation. When inflammation becomes chronic — lasting weeks, months, or even years — it shifts from being protective to destructive. The immune system remains “switched on,” releasing inflammatory chemicals that begin to damage healthy cells and tissues.
  • Gut Microbial Health – Since nearly 70 % of the immune system resides in the gut, dysbiosis or “leaky gut” can be a powerful autoimmune trigger.

The Functional Medicine Approach to Autoimmune Disease

Traditional medicine often stops at diagnosis and symptom management. Functional medicine, however, takes a deeper dive — it asks why your immune system is overreacting.

By exploring infections, oxidative stress, toxins, food sensitivities, hormones, and gut health, I help identify and address the underlying root causes driving your autoimmune condition or flare up. 

This personalized approach can help reduce inflammation, improve immune balance, and support long-term wellness — naturally.

Take the Next Step Toward Healing

If you’re struggling with chronic inflammation, unexplained fatigue, or symptoms of an autoimmune condition, it’s time to look deeper.

Explore each of the linked autoimmune triggers above to learn how they could be affecting your health — and how functional medicine can help you uncover and correct the root causes behind your symptoms.

Heres What You Should Remember About Autoimmune Disease and Functional Medicine: Key Takeaways

  • Autoimmune diseases are on the rise. Each year, the number of people diagnosed with autoimmune disease continues to grow in the U.S., affecting millions and highlighting the urgent need for prevention and early intervention.

  • Autoimmunity is rarely caused by one single factor. Most autoimmune diseases develop from a combination of overlapping autoimmune triggers — such as infections, toxins, food sensitivities, hormonal imbalances, and oxidative stress.

  • Healing starts with identifying the root causes. Pinpointing and addressing these underlying autoimmune triggers is essential to calming inflammation, rebalancing the immune system, and preventing further tissue damage.

  • Functional medicine offers a root-cause approach. Rather than suppressing symptoms, functional medicine takes a personalized, whole-body approach — uncovering the connections between diet, environment, hormones, gut health, and immunity to help restore balance naturally.

  • Diagnosis often comes late. In many cases, an autoimmune disease isn’t diagnosed until significant tissue damage, degeneration, or inflammation has already occurred. Early recognition of autoimmune triggers is key to prevention.

  • Autoimmunity tends to progress over time. Once the immune system begins attacking the body’s tissues, the process can continue unless the root causes are identified and addressed. The earlier you intervene, the better your chances of stabilizing the condition and restoring balance.

  • Multiple autoimmune conditions are common. It’s not unusual for patients to develop more than one autoimmune disease in their lifetime. Autoimmune disorders often overlap because the same underlying triggers—like infections, toxins, and gut dysfunction—affect multiple systems.

  • Conventional medicine offers limited long-term solutions. Traditional healthcare often focuses on symptom control and managmeent through steroids, immunosuppressants, or pain medications. While these may provide short-term relief, functional medicine aims to uncover and correct the root causes behind immune dysregulation for lasting improvement.

Phone Consult Disovery Call With Dr Hagmeyer

📞 Ready to Discover If Food Sensitivities Are Fueling Your Autoimmune Disease?

Schedule a Free 15-Minute Discovery Call with Dr. Hagmeyer, Functional Medicine Expert.  We’ll review your symptoms, discuss food testing options, and outline next steps to uncover your unique autoimmune triggers.  

👉 Contact us Today to start your personalized autoimmune recovery plan.

References:

1. The Journal of Immunology, 2005, 175: 4119–4126.

2. NIH. Autoimmune Diseases Coordinating Comm. Autoimmune Diseases Research Plan. 2006

3. NAT CLIN PRAC GASTRO & HEP SEPT 2005 VOL 2 NO 9

4. Jeffrey S. Bland, Ph.D.; Metagenics Educational Programs. 2006

5. ACTA BIO MEDICA 2003; 74; 9-3