欧博百家乐10 Warning Signs Of Mold Toxicity
January 28, 2025
10 Warning Signs Of Mold Toxicity You Shouldn't Ignore
Uncover the hidden dangers of mold toxicity from respiratory issues to sleep disruptions. Here are 10 warning signs to keep an eye out for.
Medically Reviewed
Root CausesEnvironmental Toxins
Written by
Sarah JayawardeneMedically Reviewed by
Dr. Danielle DesrocheThere’s more to healing than medication.
Identify ways to improve your autoimmune care and find out if WellTheory is right for you.
Underlying causes of brain fog
Holistic lifestyle remedies
Supplement recommendations
Discover 7 ways to beat the haze. Get our free Brain Fog Guide.
Oops! Something went wrong while submitting the form.
The healing power of knowledge
Learn more about Environmental Toxins in our hub, including signs and symptoms, triggers and helpful tips.
Oops! Something went wrong while submitting the form.
Contents
Molds are ubiquitous in the environment and there’s no way to avoid being exposed to them. Most of the time they just go about their business, recycling vegetative matter and playing their part in the circle of life. Sometimes, though, they settle into a damp spot and start growing, presenting a danger to human health. In this article we’ll look at what molds and mold toxins are, what kind of symptoms mold toxicity can cause, what mold has to do with autoimmunity, and how to prevent and recover from mold toxicity.
What Is Mold?Molds are fungi that grow both outdoors and indoors — they thrive in damp, warm, and humid environments, but are found virtually everywhere. Mold plays a vital role in our ecosystem, from digesting and breaking down organic material like fallen trees and dead leaves, to creating antibiotics such as penicillin. (Source, Source)
Molds are different from some other kinds of fungi in that their cells grow and fuse together, forming a network of tiny threads called filaments. Molds reproduce through the production of microscopic spores, which are similar to plant seeds and can be easily carried great distances by the wind.
The spore count in the air varies seasonally, daily, and even hourly. These spores are a constant presence in indoor environments as well, and while they won't grow without moisture, they can cause significant structural and cosmetic damage to buildings and furnishings if they land on a wet or damp spot and start growing. When spores from mold are released into the air, they can also be inhaled, swallowed, or come into contact with the skin. (Source, Source, Source)
What Is Mold Toxicity?Many different types of molds can produce mycotoxins, which are toxic compounds that can lead to a range of health issues. Mold toxicity, also known as mycotoxicosis, is a health condition caused by exposure to these mycotoxins. The severity of the effects of mycotoxins varies based on the type and duration of mold exposure, the specific mycotoxins involved, and the individual's health status. (Source, Source)
Recognizing the symptoms of mold toxicity is crucial for early detection and treatment, as prolonged exposure to mold can cause a multitude of health issues, some of which can be serious if not addressed promptly. The symptoms can vary between individuals, but there are 10 common warning signs to watch out for.
1. Fatigue and WeaknessIf you feel fatigued or weak on a regular basis, it could indicate mold toxicity. Mold spores can deposit in the nasal passages and move into the lungs causing pneumonia, which reduces oxygen intake, leading to frequent fatigue and weakness. Mycotoxins are known to impair mitochondrial function and increase oxidative damage, contributing to fatigue. (Source, Source, Source)
2. Persistent Headaches or MigrainesFrequent headaches or migraines can be a sign of mold toxicity. Exposure to mold and subsequent immune response can lead to headaches, which may subside upon leaving a mold-infested environment. (Source, Source)
Mold toxicity can lead to insomnia, including trouble falling asleep, waking throughout the night, and a decrease in the total amount of time asleep. (, Source)
4. Neurological and Cognitive IssuesProlonged exposure to mycotoxins can affect your nervous system and lead to issues such as memory loss, confusion, and impaired balance, or to even more severe problems such as neuropathy, dementia, and lower cognitive and neuropsychological function. (Source, Source, Source, Source)
5. Mental and Mood ChangesChanges in mood, including depression and anxiety, could be due to the effect of mold on the brain’s neurotransmitter functions. Mycotoxins are believed to disrupt normal brain processes and affect the production of neurotransmitters such as dopamine and serotonin, leading to mood imbalances. (Source, Source, Source)
6. Sinus IssuesNasal and sinus congestion are common signs of mold exposure. Additionally, you may experience allergic fungal sinusitis when exposed to mold. You may even be able to smell the damp, moldy odor of an indoor mold problem. (, Source)
7. Respiratory ProblemsMold spores can trigger asthma and asthma attacks, especially in people with mold allergies or existing respiratory conditions. Exposure to mold and mycotoxins has also been shown to cause or exacerbate conditions such as bronchitis and hypersensitivity pneumonitis, a rare immune disorder that causes lung inflammation. (Source, Source, )
8. Gastrointestinal DistressThe mycotoxins that molds produce, when inhaled or ingested, can irritate the digestive system. Many mycotoxins have been shown to negatively alter the gut microbiome and impair the function of the intestinal barrier. This can lead to symptoms such as nausea, abdominal pain, vomiting, intestinal bleeding, or diarrhea, as well as decreased nutrient absorption. Changes in appetite and weight may also occur. (Source, , Source)
9. Muscle Aches and Joint Pain
Exposure to mold may cause pain in muscles and joints. Mold toxicity can result in fungal arthritis, a rare condition caused by the spread of a fungal infection to a joint or joints. Fungal arthritis is typically caused by a fungus being introduced directly into a joint through trauma or surgery, but it may be possible for an infection from an inhaled mold to move through the blood to a joint, causing pain, swelling, and inflammation. This kind of infection is primarily a danger to those with compromised immune systems. (Source)
Mycotoxin exposure may cause allergic reactions, also called hypersensitivity reactions, such as watery eyes, itchy throat, itchy skin, eczema, allergic fungal sinusitis, and allergic rhinitis. The allergic symptoms typically develop rapidly after contact or exposure, and those with compromised immune systems are at a higher risk. (Source, Source, , Source)
The timeline for developing symptoms after mold exposure can greatly vary. For those allergic to mold, symptoms can occur within a few hours. However, mold toxicity symptoms can develop over a longer time frame — days or weeks. It can be difficult to pinpoint when exposure occurred, and for how long. If you notice any of these symptoms, especially if they persist or worsen in specific environments, it is important to seek medical advice. Understanding the potential signs of mold toxicity can help you recognize the problem and take steps to address it. (Source, Source)
The Connection Between Mold Toxicity and Autoimmune DiseaseResearch suggests a link between exposure to mold and the development or exacerbation of certain chronic illnesses, including autoimmune diseases. This is primarily thought to occur through exposure to mycotoxins, as they can enter the bloodstream and be distributed throughout the entire body.
These toxic substances can cause chronic inflammation and weaken the immune system, especially in individuals with compromised immune systems or genetic predisposition, such as those with autoimmune diseases. Mold fragments and mycotoxins can also disrupt the barrier of human epithelial cells (the cells that make up all the surfaces inside and outside your body), allowing for infection, inflammation, and increased immune response, which can aggravate autoimmune diseases. (Source)
Chronic exposure to mold can lead to conditions such as chronic inflammatory response syndrome, exacerbate asthma and chronic obstructive pulmonary disease (COPD), and trigger or worsen certain autoimmune disorders such as inflammatory bowel disease, multiple sclerosis, and infection with human immunodeficiency virus (HIV). Additionally, mental health disorders, chronic fatigue syndrome, and fibromyalgia have been linked to chronic mold exposure. (Source, Source, Source)
How Can You Prevent Mold Toxicity?Preventing mold toxicity primarily involves controlling the humidity levels in your living and working spaces, as mold thrives in moist environments. While these steps reduce the risk of mold growth, they cannot entirely eliminate the presence of mold spores, which are naturally present in most environments. The best way to reduce your exposure to mold spores is to prevent mold growth.
Maintain low indoor humidity. Aim to keep indoor humidity between 30%–50%. Use dehumidifiers in damp areas, especially during humid seasons.
Check your house’s ventilation. Ensure that your house is well-ventilated, especially in places like the bathroom, kitchen, and laundry room that can generate a lot of moisture. Air conditioners and dehumidifiers can help reduce potential for mold growth.
Identify and fix leaks. Regularly inspect your house for leaks in the roof, walls, and pipes. Repair any leaks as soon as possible.
Dry wet areas immediately. Clean and dry any wet areas within 24 to 48 hours to prevent mold growth. Mold needs moisture to grow, so getting rid of dampness can limit mold.
Avoid placing carpet in areas where water is used. Try to avoid installing carpets in bathrooms or basements where water is used frequently or water damage is more likely.
(Source, Source, Source)
The primary step in treating mold toxicity is avoiding or removing the source of exposure. Although research in humans is limited, studies suggest that supplementing with glutathione, probiotics, and vitamins A, C, and E may be helpful in combating symptoms and underlying issues associated with mold toxicity. (Source)
Medical treatment primarily involves supportive care to alleviate symptoms. Medications such as antihistamines and nasal steroids can help reduce allergic responses, and decongestants can help with sinus and respiratory symptoms. If you are experiencing the warning signs of mold toxicity, natural approaches such as changing your diet, managing stress, and increasing movement may help reduce symptoms and improve your overall quality of life.
Long-term management of mold toxicity may involve continued avoidance of mold exposure, maintenance of a healthy lifestyle, and possibly ongoing medication or supplements, depending on individual circumstances. It's also vital to remain vigilant for any recurrence of symptoms, as re-exposure to mold can happen and lead to a return of the condition.
The Bottom LineMold toxicity can present itself in a wide range of symptoms and warning signs.
Managing mold toxicity involves ongoing care and lifestyle modifications to protect against re-exposure and to maintain good health. Living with a history of mold toxicity means being proactive about your environment — being mindful of places where mold may grow and promptly addressing any signs of mold.
It's crucial to remember that a recovery plan should be individualized based on health status and severity of symptoms. Therefore, it's important to seek guidance from a health care provider experienced in supporting those with mold toxicity. WellTheory’s expert Care Team can help identify triggers and create an individualized plan to help mitigate the signs and symptoms of mold toxicity.
More:
Root Causes
Environmental Toxins
Work with us
Autoimmune patients have been patient enough. Ready to take healing into your own hands?
Verify My EligibilityReferences
AIHA. (n.d.). Mold resource center. https://www.aiha.org/public-resources/consumer-resources/disaster-response-resource-center/mold-resource-center
AIHA. (2020). Facts about mold: A consumer focus. https://aiha-assets.sfo2.digitaloceanspaces.com/AIHA/resources/Facts-About-Mold-A-Consumer-Focus-Fact-Sheet.pdf
Baxi, S. N., Portnoy, J. M., Larenas-Linnemann, D., Phipatanakul, W., Barnes, C., Baxi, S., Grimes, C., Horner, W. E., Kennedy, K., Larenas-Linnemann, D., Levetin, E., Miller, J. D., Phipatanakul, W., Portnoy, J. M., Scott, J., & Williams, P. B. (2016). Exposure and health effects of fungi on humans. Journal of Allergy and Clinical Immunology, 4(3), 396–404. https://doi.org/10.1016/j.jaip.2016.01.008
Bennett, J. W., & Klich, M. (2003). Mycotoxins. Clinical Microbiology Reviews, 16(3), 497–516. https://doi.org/10.1128/cmr.16.3.497-516.2003
Brewer, J., Thrasher, J., Straus, D., Madison, R., & Hooper, D. (2013). Detection of mycotoxins in patients with chronic fatigue syndrome. Toxins, 5(4), 605–617. https://doi.org/10.3390/toxins5040605
Bush, R. K., Portnoy, J. M., Saxon, A., Terr, A. I., & Wood, R. A. (2006). The medical effects of mold exposure. Journal of Allergy and Clinical Immunology, 117(2), 326–333. https://doi.org/10.1016/j.jaci.2005.12.001
Centers for Disease Control. (n.d.). Basic facts about mold and dampness. U.S. Department of Health and Human Services. https://www.cdc.gov/mold/faqs.htm
Fraga-Silva, T. F. C., Mimura, L. A. N., Leite, L. C. T., Borim, P. A., Ishikawa, L. L. W., Venturini, J., Arruda, M. S. P., & Sartori, A. (2019). Gliotoxin aggravates experimental autoimmune encephalomyelitis by triggering neuroinflammation. Toxins, 11(8), 443. https://doi.org/10.3390/toxins11080443
Harding, C. F., Pytte, C. L., Page, K. G., Ryberg, K. J., Normand, E., Remigio, G. J., DeStefano, R. A., Morris, D. B., Voronina, J., Lopez, A., Stalbow, L. A., Williams, E. P., & Abreu, N. (2020). Mold inhalation causes innate immune activation, neural, cognitive and emotional dysfunction. Brain, Behavior, and Immunity, 87, 218–228. https://doi.org/10.1016/j.bbi.2019.11.006
Hope, J. (2013). A review of the mechanism of injury and treatment approaches for illness resulting from exposure to water-damaged buildings, mold, and mycotoxins. Scientific World Journal, 2013, Article 767482. https://doi.org/10.1155/2013/767482
Hyvönen, S., Lohi, J., & Tuuminen, T. (2020). Moist and mold exposure is associated with high prevalence of neurological symptoms and MCS in a Finnish hospital workers cohort. Safety and Health at Work, 11(2), 173–177. https://doi.org/10.1016/j.shaw.2020.01.003
Janson, C. (2005). Insomnia is more common among subjects living in damp buildings. Occupational and Environmental Medicine, 62(2), 113–118. https://doi.org/10.1136/oem.2003.011379
Kilburn, K. H. (2009). Neurobehavioral and pulmonary impairment in 105 adults with indoor exposure to molds compared to 100 exposed to chemicals. Toxicology and Industrial Health, 25(9-10), 681–692. https://doi.org/10.1177/0748233709348390
Kraft, S., Buchenauer, L., & Polte, T. (2021). Mold, mycotoxins and a dysregulated immune system: A combination of concern? International Journal of Molecular Sciences, 22(22), 12269. https://doi.org/10.3390/ijms222212269
Kuhn, D. M., & Ghannoum, M. A. (2003). Indoor mold, toxigenic fungi, and Stachybotrys chartarum: Infectious disease perspective. Clinical Microbiology Reviews, 16(1), 144–172. https://doi.org/10.1128/cmr.16.1.144-172.2003
Liew, W.-P.-P., & Mohd-Redzwan, S. (2018). Mycotoxin: Its impact on gut health and microbiota. Frontiers in Cellular and Infection Microbiology, 8, 60. https://doi.org/10.3389/fcimb.2018.00060
Mendell, M. J., Mirer, A. G., Cheung, K., Tong, M., & Douwes, J. (2011). Respiratory and allergic health effects of dampness, mold, and dampness-related agents: A review of the epidemiologic evidence. Environmental Health Perspectives, 119(6), 748–756. https://doi.org/10.1289/ehp.1002410
Mishra, A., & Juneja, D. (2023). Fungal arthritis: A challenging clinical entity. World Journal of Orthopedics, 14(2), 55–63. https://doi.org/10.5312/wjo.v14.i2.55
Morris, G., Berk, M., Walder, K., & Maes, M. (2015). The putative role of viruses, bacteria, and chronic fungal biotoxin exposure in the genesis of intractable fatigue accompanied by cognitive and physical disability. Molecular Neurobiology, 53(4), 2550–2571. https://doi.org/10.1007/s12035-015-9262-7
Quansah, R., Jaakkola, M. S., Hugg, T. T., Heikkinen, S. A. M., & Jaakkola, J. J. K. (2012). Residential dampness and molds and the risk of developing asthma: A systematic review and meta-analysis. PLOS ONE, 7(11). https://doi.org/10.1371/journal.pone.0047526
Ratnaseelan, A. M., Tsilioni, I., & Theoharides, T. C. (2018). Effects of mycotoxins on neuropsychiatric symptoms and immune processes. Clinical Therapeutics, 40(6), 903–917. https://doi.org/10.1016/j.clinthera.2018.05.004
Ren, Z., Guo, C., Yu, S., Zhu, L., Wang, Y., Hu, H., & Deng, J. (2019). Progress in mycotoxins affecting intestinal mucosal barrier function. International Journal of Molecular Sciences, 20(11), 2777. https://doi.org/10.3390/ijms20112777
Tiesler, C. M. T., Thiering, E., Tischer, C., Lehmann, I., Schaaf, B., von Berg, A., & Heinrich, J. (2015). Exposure to visible mould or dampness at home and sleep problems in children: Results from the LISAplus study. Environmental Research, 137, 357–363. https://doi.org/10.1016/j.envres.2014.11.023
Tuuminen, T., & Rinne, K. S. (2017). Severe sequelae to mold-related illness as demonstrated in two Finnish cohorts. Frontiers in Immunology, 8, 382. https://doi.org/10.3389/fimmu.2017.00382
United States Environmental Protection Agency. (2022, October 26). Ten things you should know about mold. https://www.epa.gov/mold/ten-things-you-should-know-about-mold
United States Environmental Protection Agency. (2023, April 26). Mold course chapter 1: Introduction to molds. https://www.epa.gov/mold/mold-course-chapter-1
United States Environmental Protection Agency. (2023, June 27). Mold course chapter 9: Prevention. https://www.epa.gov/mold/mold-course-chapter-9
World Health Organization. (2018, May 9). Mycotoxins. https://www.who.int/news-room/fact-sheets/detail/mycotoxins
Recommended For You
View All
Inflammation
Is Oat Milk Inflammatory? 8 Milk Alternatives (& What To Avoid)
Food Allergies + Sensitivities
Don't Overlook These 2 Surprising Dairy Inflammation Symptoms
Digestive Discomfort
Low Stomach Acid: How It Impacts Your Health
Gastrointestinal Issues
The 3 Types Of SIBO (And How They're Treated)
Genetics
What Are Autoantibodies? 5 Ways They’re Used For Autoimmune Diseases
Gastrointestinal Issues
5 Worst Foods for Gut Health: What You Need to Know
Hormone Imbalances
Uncovering the Connection Between PCOS and Autoimmune Disease
Inflammation
A Complete List of Anti-inflammatory Foods [+PRINTABLE]
Hormone Imbalances
Does Autoimmune Disease Affect Your Libido? What You Should Know
Masterclass
10 Warning Signs Of Mold Toxicity You Shouldn't Ignore
Uncover the hidden dangers of mold toxicity from respiratory issues to sleep disruptions. Here are 10 warning signs to keep an eye out for.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Covered in this Masterclass
Brought to you by
Sarah Jayawardene
Dr. Danielle Desroche
Work with us
92% of WellTheory members experienced a decrease in symptoms after just four weeks.
Am I Eligible?Discover More
View All
Nutrition
Autoimmune Care 101
Connection
3 Foundations for Your Healing Journey
Gastrointestinal Issues
Gut Health & Autoimmunity
Nutrition
What is AIP?
Guide
10 Warning Signs Of Mold Toxicity You Shouldn't Ignore
Uncover the hidden dangers of mold toxicity from respiratory issues to sleep disruptions. Here are 10 warning signs to keep an eye out for.
Click below to download the guide.
Oops! Something went wrong while submitting the form.
Click below to go to the guide.
GuideOops! Something went wrong while submitting the form.
what’s Covered
Brought to you by
Sarah Jayawardene
Dr. Danielle Desroche
Work with us
Work with us
92% of WellTheory members experienced a decrease in symptoms after just four weeks.
Transformational results start with small steps.
Give yourself the time and space to find out what your ideal routine looks like to support your autoimmunity. Over 75 days, you’ll incorporate new routines focused on diet, sleep, movement, stress management, and lifestyle to make steady, sustainable progress towards reducing your symptoms.”
Ellen Rudolph
WellTheory Founder & CEO
Discover More
View All
Nutrition
75 Soft Challenge — Build Your Ultimate Autoimmune Routine
Nutrition
Antifungal Meal Plan
Stress Management
The Connection Between Cortisol and Autoimmune Health
Inflammation
23 Herbs That Are Good For Inflammation
Nutrition
14-Day Challenge — Building Your Ultimate Autoimmune Summer Routine
Graves' Disease
11 Vitamins to Help With Thyroid Function
Care Plans
Carrie's Multidimensional Autoimmune Care Plan
Care Plans
WellTheory Founder Ellen’s Symptom-Reversing Care Plan
Care Plans
Jesse's Ulcerative Colitis Care Plan
Supplements
The 8 Best Supplements for Autoimmune Disease
Nutrition
The Ultimate Guide to AIP Friendly Holiday Recipes
Crohn's Disease
What Can You Eat With Crohn's Disease?
Rheumatoid Arthritis
Natural Rheumatoid Arthritis Pain Management
Brain Fog
How to Get Rid of Brain Fog
Nutrition
14-Day Challenge Healing Your Autoimmunity Naturally
Nutrition
14-Day Autoimmune Friendly Comfort Food Meal Plan
Nutrition
The Ultimate Guide to Phytonutrients
Nutrition
The Ultimate Guide to the AIP Diet