Close-up of a surface with tiny, fuzzy yellow and brown mold spores.
Styilized dark green line drawing of mold in a petri dish with the Sage Garden Natural Medicine logo of three-leafed sage plant symbol on the lower left with a light green background.

MOLD ILLNESS


Mold illness, also known as Chronic Inflammatory Response Syndrome (CIRS), is a condition triggered by exposure to mold and mycotoxins—tiny toxic compounds produced by certain molds. This exposure typically occurs in water-damaged buildings, where mold thrives. Mold illness affects individuals differently, but for many, it can lead to debilitating symptoms that are often difficult to diagnose. Understanding the symptoms, testing methods, and available treatments is crucial for managing and recovering from mold illness.

Symptoms of Mold Illness

Mold illness is systemic, meaning it affects multiple systems in the body. Symptoms can be varied and sometimes vague, making diagnosis challenging. Common symptoms of mold exposure include:

When to suspect Mold Toxicity?

If any of the following symptoms are experienced in conjunction with fatigue, cognitive impairment, intense anxiety or depression, and odd buzzing or “tremor” sensations.

  • FATIGUE
    Extreme, unrelenting fatigue that doesn’t improve with rest.

  • COGNITIVE ISSUES
    Brain fog, memory problems, difficulty concentrating, and confusion.

  • RESPIRATORY PROBLEMS
    Coughing, wheezing, sinus congestion, shortness of breath, or asthma-like symptoms.

  • NEUROLOGICAL SYMPTOMS
    Headaches, dizziness, vertigo, tingling or numbness in extremities, tremors, or light sensitivity.

  • JOINT & MUSCLE PAIN
    Persistent aches, stiffness, or swelling.

  • MOOD CHANGES
    Anxiety, depression, irritability, or unexplained mood swings.

  • GASTROINTESTINAL ISSUES
    Nausea, diarrhea, abdominal pain, bloating, and “leaky gut”.

  • SKIN REACTIONS
    Rashes, hives, eczema, or other unexplained skin conditions.

  • CHRONIC SINUS INFECTIONS
    Recurring sinus problems, nasal congestion, or frequent colds.

  • UNEXPLAINED WEIGHT CHANGES
    Both weight loss and gain can be symptoms of mold illness.


  • Ice pick or lightning-like sensations

  • Unusual areas of numbness/tingling

  • Vibrating or pulsing sensations running up and down the spine

  • Electric Shock sensations

Because the symptoms can mimic other conditions like chronic fatigue syndrome, fibromyalgia, or Lyme disease, it’s important to consider mold exposure if you experience a cluster of these symptoms, particularly after spending time in a building that has been water-damaged.