Digestive & Immune Health

Autoimmune Disease, Fibromyalgia & Chronic Illness in Greenville, SC

Functional medicine and acupuncture for autoimmune conditions, fibromyalgia, complex chronic illness, metabolic dysfunction, and Lyme disease. Addressing the biological drivers conventional medicine isn't designed to look for — with clinical depth from 25 years of integrative practice and published research.

A Note From Dr. Hendry

The patients I see with autoimmune disease and complex chronic illness have usually been through the specialist circuit. Rheumatology found early indicators but nothing meeting diagnostic criteria. Gastroenterology diagnosed IBS and recommended fiber. Each specialist saw their piece. Nobody saw the whole thing — because the whole thing isn't organized by organ system.

Chronic illness typically doesn't fit single-organ specialty medicine because it isn't a single-organ condition. It's the downstream result of overlapping biological failures: gut dysbiosis driving systemic inflammation, mitochondrial dysfunction impairing cellular energy, HPA axis dysregulation undermining stress resilience, accumulated nutrient depletion. These systems interact. Correcting them requires a framework that sees their interaction.

I work with rheumatologists and gastroenterologists, not around them. The immunology I address is the layer that the specialist isn't designed to address: why is this immune system activated? What's the gut permeability status? What's the vitamin D? These questions have answers that sometimes change everything.

The Leaky Gut — Autoimmune Cascade

Twenty-three million Americans have an autoimmune disease. Most received a diagnosis, a prescription for an immunosuppressant, and an implicit message that management is the best they can hope for. The functional medicine question is different: why is the immune system attacking its own tissue? Not philosophically — clinically. Because there are identifiable, addressable biological drivers that conventional treatment is not designed to look for.

Intestinal permeability is found in virtually every autoimmune condition studied — Hashimoto's, lupus, rheumatoid arthritis, type 1 diabetes, multiple sclerosis. When the gut barrier is compromised, bacterial antigens trigger immune responses that cross-react with structurally similar self-tissues through molecular mimicry. Healing the gut lining removes the most consistent autoimmune trigger in the body.

Vitamin D deficiency reduces regulatory T-cell activity that holds autoimmune reactivity in check. EBV reactivation is firmly linked to multiple sclerosis, lupus, and Hashimoto's onset. Gliadin from gluten triggers intestinal permeability and serves as a molecular mimicry antigen for thyroid tissue. These are the drivers. Identifying and addressing them is what changes trajectory rather than just managing symptoms of a progressive disease.

My 5R gut restoration protocol addresses intestinal permeability systematically: Remove offending foods and gut pathogens, Replace digestive factors, Reinoculate with targeted probiotic strains, Repair the gut lining with glutamine, zinc carnosine, and collagen, and Rebalance lifestyle factors. The autoimmune protocol builds on this foundation.

Fibromyalgia: Central Sensitization, Not Imagination

Fibromyalgia is a disorder of central sensitization — a measurable neuroplastic state in which the spinal cord and brain have recalibrated their pain-processing threshold downward. Normal sensory input is amplified into pain signals. This is documented on functional MRI, in cerebrospinal fluid substance P levels, and in functional studies of pain-processing networks.

My published research includes work on heart rate variability biofeedback — direct investigation of autonomic nervous system regulation, measurably disrupted in fibromyalgia. I use HRV monitoring as an objective treatment tracking tool alongside subjective pain reporting. Patients receive education about the central sensitization mechanism — understanding the neuroscience consistently improves treatment engagement and outcomes.

Electroacupuncture is particularly effective for fibromyalgia — modulating the CNS pathways disrupted in this condition by reducing substance P, improving sleep architecture, and normalizing autonomic balance. Combined with functional medicine protocols targeting the mitochondrial, hormonal, and gut factors that perpetuate the sensitized state, treatment produces meaningful, sustained improvement in most patients.

Weight Dysfunction: The Biological Barriers

The patients who come in unable to lose weight have tried that. Some have tried it repeatedly over years. The issue is that the body's weight regulation system isn't a simple calorie equation — it's a complex hormonal and metabolic system with multiple failure points.

Insulin resistance keeps circulating insulin chronically elevated — the body's primary fat-storage signal, blocking fat release. No sustained caloric restriction overrides this. Thyroid dysfunction slows resting metabolic rate. Cortisol from chronic stress drives central adiposity. Gut dysbiosis alters energy extraction from food and produces metabolic endotoxemia that worsens insulin resistance.

My metabolic evaluation: fasting insulin, HOMA-IR, HbA1c, comprehensive thyroid panel, cortisol rhythm, sex hormones, gut microbiome, and inflammatory markers. One or more of these almost always reveals the specific barrier. Berberine and inositol for insulin resistance. Thyroid optimization when T4-to-T3 conversion is impaired. Adaptogenic herbs for cortisol dysregulation. The correction of underlying physiology often produces weight movement where years of dieting have not.

Frequently Asked Questions

I've seen multiple specialists and nobody has found what's wrong — can functional medicine help?

This is among the most common presentations I see. Functional medicine asks different questions and uses different tests. The biological dysfunction driving most complex chronic illness — mitochondrial impairment, gut dysbiosis, HPA axis dysregulation, nutritional depletion, environmental toxin burden — doesn't appear on standard specialty panels. The evaluation that misses it is the one that doesn't look for it.

Do you work alongside conventional specialists?

Yes, always. A rheumatoid arthritis patient on methotrexate still benefits enormously from gut healing, anti-inflammatory nutrition, and vitamin D optimization — those don't interfere with conventional treatment and often improve its effectiveness. I communicate with the patient's other providers and coordinate care explicitly.

How do you approach fibromyalgia treatment?

I treat fibromyalgia as central sensitization — a real biological state with measurable neurological mechanisms, not a diagnosis handed out when nothing else fits. Electroacupuncture is particularly effective for modulating the CNS pathways disrupted in fibromyalgia. I use HRV monitoring as an objective treatment tracking tool. Mitochondrial support, sleep optimization, thyroid evaluation, gut restoration, and anti-inflammatory diet work synergistically with acupuncture.

What is the connection between weight gain and insulin resistance?

Insulin resistance means cells stop responding to insulin's signal, causing the pancreas to produce excess insulin. High circulating insulin is the body's primary fat-storage signal and blocks lipolysis. No amount of caloric restriction fully overrides this mechanism. Berberine and inositol correct insulin resistance pharmacologically; a low-glycemic dietary pattern removes the substrate perpetuating it.

What herbal antimicrobials do you use for Lyme?

My herbal Lyme protocols draw from published in vitro research: Japanese knotweed (resveratrol and stilbenes with documented anti-Borrelia activity), cat's claw (immunomodulatory and antimicrobial), cryptolepis (active against both Borrelia and Babesia), and andrographis (anti-inflammatory and antimicrobial). These are prescribed as structured protocols from my in-house herbal pharmacy, combined with biofilm-disrupting agents and rotation strategies.

Services for Autoimmune & Chronic Illness

Ready to Get to the Root of It?

Dr. William Hendry will conduct a comprehensive evaluation and build an integrative treatment plan around your specific condition. New patients welcome in Greenville, SC.