Mold toxicity — also called mycotoxin illness or CIRS (Chronic Inflammatory Response Syndrome) — is one of the most underdiagnosed contributors to chronic illness. For genetically susceptible individuals, exposure to mold and mycotoxins can trigger a cascade of symptoms that persist long after the exposure ends.
Who Gets Sick from Mold?
Approximately 25% of people carry HLA-DR gene variants that impair their ability to clear mycotoxins. For these individuals, what's a minor irritant to others can become a significant, chronic health burden. This genetic variation explains why some family members get profoundly sick from a moldy home while others are unaffected.
Symptoms of Mold Illness
Mold illness is a multi-system condition. Symptoms commonly include chronic fatigue, cognitive impairment (brain fog, memory problems), recurrent sinus infections and congestion, joint and muscle pain, mood changes, sensitivity to light and sound, digestive issues, skin rashes, and unusual thirst.
Diagnosis
Diagnosis requires connecting environmental exposure with a compatible symptom pattern and supporting laboratory findings. Useful tests include HLA-DR typing (genetic susceptibility), mycotoxin urine testing, TGF-beta1 and C4a (inflammatory markers elevated in CIRS), VCS (visual contrast sensitivity testing), and MMP-9.
Treatment: A Stepwise Approach
Step 1: Remove from Exposure
No treatment will work while exposure continues. Identifying and remediating the source — or leaving the affected environment — is the non-negotiable first step.
Step 2: Bind Mycotoxins
Binders — cholestyramine, welchol, activated charcoal, bentonite clay, or chlorella — capture mycotoxins in the gut and prevent their reabsorption. This is a core component of mold illness treatment.
Step 3: Support Detoxification Pathways
The liver and kidneys need support during mycotoxin clearance. N-acetyl cysteine, glutathione, milk thistle, and adequate hydration support detoxification. Sauna therapy facilitates additional elimination through sweat.
Step 4: Address the Inflammatory Response
Vasoactive intestinal peptide (VIP) and low-dose immunotherapy help regulate the dysregulated immune response characteristic of CIRS. These are prescription interventions requiring experienced clinician guidance.
Mold Illness at Alive and Well
Our providers have experience evaluating and treating mold illness using functional medicine approaches. If you suspect mold exposure is contributing to your health challenges, contact us to schedule a comprehensive evaluation.