Hashimoto’s Thyroiditis

Hashimoto’s Thyroiditis: Can the Root Cause Be Treated?

Michael Bauerschmidt, MD, root-cause physician at Deeper Healing in Charleston, SC
Reviewed by Michael Bauerschmidt, MD

Quick answer: Hashimoto’s thyroiditis is an autoimmune condition in which the immune system attacks the thyroid, driving fatigue, weight gain, and brain fog. At Deeper Healing in Charleston, SC, we look beyond TSH to the root triggers — environmental toxins, chronic infections, and gut and immune dysfunction — that provoke the immune attack, and address them in the right order.

Reviewed & updated August 2026 by Michael Bauerschmidt, MD

Key takeaways

  • Hashimoto’s is the most common cause of hypothyroidism in the United States, affecting an estimated 5 in 100 people.
  • A “normal” TSH does not rule it out — thyroid antibodies (TPO, TgAb) often tell the real story.
  • Common root triggers include environmental toxins, chronic infections such as Epstein-Barr virus, and gut and immune dysfunction.
  • Replacing thyroid hormone can ease symptoms but does not stop the underlying immune attack.
  • A root-cause, functional and environmental medicine approach aims to calm the immune system rather than simply escalate medication.

What is Hashimoto’s thyroiditis?

Hashimoto’s thyroiditis is an autoimmune disease in which the immune system mistakenly targets the thyroid gland, gradually reducing its ability to produce thyroid hormone. Over time this leads to hypothyroidism — a slowing of the body’s metabolism that affects energy, weight, mood, and nearly every organ system. It is the leading cause of low thyroid function in the United States — affecting an estimated 5 in 100 people, according to the National Institutes of Health — and is far more common in women than men.

What are the symptoms of Hashimoto’s?

Because thyroid hormone influences the whole body, symptoms are wide-ranging and often build slowly:

  • Persistent fatigue and low energy
  • Unexplained weight gain
  • Brain fog and poor concentration
  • Cold intolerance
  • Hair thinning and dry skin
  • Constipation
  • Depression or low mood
  • Joint and muscle aches
  • Irregular menstrual cycles

What causes Hashimoto’s — and why standard treatment often misses it

Conventional care usually confirms low thyroid function with a TSH test and prescribes thyroid hormone replacement such as levothyroxine. That can relieve symptoms, but it does not answer the deeper question: why did the immune system begin attacking the thyroid in the first place? In our experience, the immune trigger is frequently a combination of environmental toxins (including heavy metals and mold), chronic viral or bacterial infections, and gut and immune dysregulation. The National Institute of Environmental Health Sciences links environmental exposures to the development of autoimmune disease. When those drivers go unaddressed, patients often need higher and higher doses over time while never feeling truly well.

The root-cause pathway in Hashimoto’s

Environmental toxins
(heavy metals, mold)

Chronic infections
(e.g. Epstein-Barr)

Gut & immune
dysfunction

Immune system
attacks the thyroid

Symptoms:
fatigue, weight gain,
brain fog

Deeper Healing targets these root triggers — in the right order

How root triggers drive the immune attack in Hashimoto’s — and where root-cause treatment intervenes.

How Deeper Healing treats Hashimoto’s

Deeper Healing takes a root-cause approach built on detailed intake and comprehensive lab analysis — not just a single TSH value. Dr. Bauerschmidt and our team look for the specific toxins, infections, and imbalances driving the autoimmune attack, then treat them in a deliberate order using environmental medicine, light and oxygen therapies, and targeted detoxification and immune support. The goal is to reduce the immune system’s assault on the thyroid and help patients regain energy and quality of life.

Conventional care vs a root-cause approach

Conventional thyroid care Deeper Healing root-cause approach
Screens mainly TSH Full thyroid panel plus antibodies (TPO, TgAb)
Replaces thyroid hormone (e.g. levothyroxine) Identifies and treats the triggers of the immune attack
Manages symptoms; dose often escalates over time Aims to calm autoimmunity and reduce reliance on medication
Rarely tests for toxins or infections Tests for heavy metals, mold, chronic infections, and gut health

Key terms explained

TSH (thyroid-stimulating hormone)
The pituitary hormone used as the standard screen for thyroid function. It can appear normal early in Hashimoto’s even while the gland is under attack.
TPO antibodies (thyroid peroxidase antibodies)
Immune antibodies that target a key thyroid enzyme. Elevated TPO is one of the main markers used to confirm Hashimoto’s.
Thyroglobulin antibodies (TgAb)
A second thyroid antibody measured alongside TPO to confirm autoimmune thyroid disease.
Mycotoxins
Toxic compounds produced by mold that can act as immune stressors and contribute to autoimmunity.

Patient experience

Many patients arrive after being told their labs are “normal” despite feeling exhausted and unwell. Read how a root-cause approach uncovers what standard testing misses: Extreme fatigue, autoimmune disease, and “normal” labs →

Frequently asked questions

Can Hashimoto’s be reversed or put into remission?

Hashimoto’s cannot always be “cured,” but many patients can significantly reduce thyroid antibodies and symptoms when the underlying triggers are identified and treated. By calming the immune drivers — toxins, infections, and gut dysfunction — the goal is to move toward remission and reduce reliance on escalating medication rather than simply managing numbers.

What is the root cause of Hashimoto’s thyroiditis?

There is rarely a single cause. Hashimoto’s typically develops when a genetically susceptible person accumulates immune stressors over time — environmental toxins such as heavy metals and mold, chronic infections like Epstein-Barr virus, gut barrier dysfunction, and nutrient depletion. Our work focuses on finding which of these drivers apply to you.

Why do my thyroid labs look “normal” but I still feel sick?

A standard panel often checks only TSH, which can appear normal even while thyroid antibodies are elevated and the gland is under attack. Fuller testing — free T3, free T4, reverse T3, TPO and thyroglobulin antibodies — frequently reveals the problem that a single TSH value misses.

What tests properly diagnose Hashimoto’s?

Hashimoto’s is confirmed by measuring thyroid antibodies (TPO and thyroglobulin) alongside a full thyroid panel. We pair that with testing for the toxins, infections, and nutrient and gut imbalances that drive the autoimmune process, so treatment targets the actual cause.

Is Hashimoto’s the same as hypothyroidism?

Not exactly. Hypothyroidism means the thyroid is underactive. Hashimoto’s is the autoimmune disease that is the most common reason the thyroid becomes underactive. Treating only the low hormone level without addressing the autoimmune attack leaves the root problem in place.

Can environmental toxins and infections trigger Hashimoto’s?

Yes. Heavy metals, mold and mycotoxins, and chronic infections are well-recognized immune stressors that can provoke or worsen thyroid autoimmunity. Identifying and reducing this “body burden” is central to how we approach Hashimoto’s.

Do I have to take levothyroxine forever?

Some patients need thyroid hormone support long term, especially if the gland is significantly damaged. Many others are able to lower their dose over time as the immune attack settles. Any change to medication is made carefully and in coordination with your care.

Where can I find a root-cause Hashimoto’s doctor near me?

Deeper Healing Medical Wellness Center is located at 234 Seven Farms Drive, Suite 110, Charleston, SC 29492, on Daniel Island. We see patients from across the country who travel to us for root-cause care after standard treatment has fallen short.

Your next step: find out what’s driving it

Because hidden environmental toxins so often sit at the root of Hashimoto’s, the most useful first step is understanding your own “body burden.” Our free two-minute assessment helps you gauge whether accumulated toxins could be fueling your thyroid symptoms — and what to do next.

Take the Toxin Quiz

Two minutes, free, and completely confidential — see whether your body burden of toxins could be driving your symptoms.

Take the Toxin Quiz →

Sources

Michael Bauerschmidt, MDMedically reviewed by Michael Bauerschmidt, MD — Founder and Medical Director, Deeper Healing Medical Wellness Center. Board-certified physician specializing in functional and environmental medicine.
Last reviewed: August 2026.

This page is for educational purposes and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider about your individual condition.