Dr. Sam Madeira, NMD
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Mold illness & mycotoxins

Mold exposure symptoms & treatment

If you’ve been exposed to a water-damaged home or workplace and haven’t felt right since, mold toxicity may be part of the picture. Dr. Sam Madeira, NMD is a mold-literate naturopathic doctor who helps adults uncover and recover from mold illness by telemedicine.

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Telemedicine for adults in Arizona, Montana & Washington

What is mold toxicity?

Mold toxicity, also called mold illness or, informally, mold poisoning, describes chronic symptoms linked to exposure to mold, including “black mold,” and the mycotoxins and other inflammatory compounds that build up in water-damaged buildings. Not everyone in the same building gets sick. Genetics, the type and length of exposure, and overall health all shape how a person responds.

Because the symptoms touch so many body systems and routine labs often come back “normal,” mold toxicity is easy to miss. Many patients have seen several doctors before anyone asks about their home or workplace.

Signs mold could be involved

  • Symptoms started or worsened after moving, a leak, flooding or renovation
  • You feel better when you travel and worse when you return
  • Other people or pets in the home are also unwell
  • There’s a musty smell, visible growth, or a history of water damage

How Dr. Madeira assesses mold toxicity

Assessment starts with a detailed health and exposure history: where you’ve lived and worked, water damage, and when symptoms began. Dr. Madeira reviews your previous records and labs and recommends targeted testing where it adds useful information. That may include mycotoxin testing, inflammatory and hormone markers, and guidance on testing your environment.

Treatment approach

Care follows the naturopathic therapeutic order, using the least force necessary:

  1. Reduce the exposure. Identify the source and address it, usually with qualified inspection and remediation professionals. Recovery is difficult while exposure continues.
  2. Support elimination. Detoxification therapies, which may include binders and support for the liver, gut and lymphatic system, tailored to how you tolerate them.
  3. Calm inflammation and rebuild. Personalized nutritional and botanical medicine, sleep and nervous system support, and mindfulness practices.
  4. Address what mold disrupted. Hormones, thyroid function, digestion and other systems that mold exposure can affect.

Some people with mold illness also develop CIRS or mast cell activation, which can change how quickly and gently care needs to proceed.

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Frequently asked questions

What is a mold-literate doctor?

A mold-literate doctor is a clinician with specific training and experience in illness linked to mold and water-damaged buildings: taking a detailed exposure history, interpreting relevant testing, and guiding recovery alongside removing the exposure. Dr. Madeira has trained in mold and mycotoxin illness, including with Dr. Jill Crista, NMD.

Can you see me for mold illness if I live in Arizona, Montana or Washington?

Yes. Dr. Madeira sees adults by telemedicine who are located in Arizona, Montana or Washington during their visits. Start with a free 30-minute discovery call.

Is mold common in Arizona?

It’s more common than many people expect. A dry climate doesn’t prevent indoor mold: evaporative coolers, monsoon roof leaks, plumbing leaks and HVAC condensation can all create hidden moisture indoors.

What is a mycotoxin test?

Mycotoxin tests, most often urine tests, look for toxins produced by certain molds. They can be one piece of the picture, but results need careful interpretation alongside your history, symptoms and environment, and experts don’t all agree on how to use them.

Do I need to fix my home first?

Reducing ongoing exposure is usually the first and most important step, because it’s hard to recover while exposure continues. That often means an inspection and remediation by qualified indoor environmental professionals. Dr. Madeira can help you think through next steps.

Does mold toxicity show up in bloodwork?

Routine blood tests are often normal in mold illness. Evaluation usually combines your exposure history and symptoms with more targeted testing, such as inflammatory markers and, in some cases, mycotoxin testing, interpreted together.

Is mold toxicity reversible?

Many people improve substantially once the exposure is removed and their body is supported, though recovery time varies and some people need longer, more gradual care. Removing the source is the most important step.

How long does recovery from mold illness take?

It varies a great deal from person to person, depending on the exposure, how long it lasted and other health factors. Recovery from complex chronic illness takes commitment and partnership, and your plan is adjusted as you progress.

Related: CIRS · MCAS · Environmental medicine

This page is general education, not medical advice, and does not create a doctor–patient relationship.

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Telemedicine for adults in Arizona, Montana & Washington.