Mold Re-Exposure: What to Do Immediately (3 Steps)

You've done the work. You got out of the moldy environment, you started healing, and you finally feel like yourself again. Then one day you walk into a building, your body reacts, and the first thought is: "Am I starting all over?"

That fear of relapsing is one of the most common things I hear from clients dealing with mold toxicity and mold illness. It can feel almost like PTSD. And earlier this year, I lived it myself.

My partner and I had just driven cross country and moved to California, and we were staying in an Airbnb. Within the first hour of walking in, I was dizzy, disoriented, and dealing with vertigo. I'm sharing what mold re-exposure looked like for me: the signs I noticed, the steps I took, and what I tell my clients when this happens to them.

This content is for educational purposes only and does not diagnose, treat, or cure any condition. Always consult a licensed healthcare provider.

What Is Mold Re-Exposure (And Why Does It Feel So Scary)?

Mold re-exposure means coming into contact with mold and its mycotoxins again after you've already started healing, or after you've already left a moldy environment once. It can happen in a rental, a hotel, an office, a gym, or a home you thought was safe.

It feels so scary because you remember what it cost you. For me, that was years of going from doctor to doctor and specialist to specialist with symptoms nobody could connect. That experience is why I became board certified in integrative health and specialized in this work. I couldn't find anyone to help me.

"What do I do if I get re-exposed?"

I hear that question constantly in consults. When it happened to me, I got to answer it from the inside.

My Mold Re-Exposure Story: The Signs I Noticed Within an Hour

We walked into the Airbnb carrying our bags. As soon as I got to the kitchen and the little hallway near the garage, I got dizzy, got vertigo, and felt super disoriented. I told my partner right away, "I just feel really off." All of that happened within about an hour.

Then I started noticing the environment itself:

• Dark and damp-feeling rooms with very little natural light or fresh air
• A musty smell in the bedrooms, almost like a damp basement
• Carpet in the bedrooms, which is never ideal in a dark, damp space because it's porous and holds moisture
• 71% humidity on the AC display, which is essentially like living in a basement

My first thought was that maybe it was the cross-country travel, or just being somewhere new. Then I went outside to walk my dog and the symptoms disappeared. I felt totally fine. The moment I stepped back into the house, they came right back.

My partner has never had an issue with mold, and every time he walked through that kitchen hallway, he started sneezing like crazy and his eyes got puffy and swollen. It's a good reminder that everybody reacts differently.

I reached out to the owner and asked whether there had ever been water damage, a roof leak, or mold. She said not that they knew of. And that's the tricky thing about mold: you don't always see it, you don't always smell it, and sometimes your own reaction is the only clue you get.

Why Your Body Reacts So Quickly (And Why That's Useful)

Your body is intuitive. It's always looking out for threats and trying to protect you, which is why it can respond to a trigger so fast. In my case, the plates I set out (more on those below) looked like Aspergillus mold, one of the molds I had trouble with before. That history is likely why my body responded as quickly as it did.

That's the silver lining of a fast reaction: it's information. If your symptoms flare in a certain room or building and ease when you leave, take that seriously, even if nobody can find visible mold.

Mold is airborne, and mycotoxins can enter your body through the air you breathe and through your skin. Because the symptoms touch so many systems at once, they often get written off as stress or anxiety. If you want the full symptom checklist, I break it down in my guide to Ochratoxin A symptoms, testing, and how to detox.

3 Steps to Take Immediately After Mold Re-Exposure

Here's what I did, in order. If you ever find yourself in the same position, this is the sequence I'd follow.

Step 1: Get Out of the Environment (and Validate What You're Feeling)

As always, step number one in any healing protocol is getting out of the moldy environment. No protocol will work if you keep breathing in and absorbing mycotoxins every day. We started looking for a new place we knew was clean. Because we were traveling and in a bind, that took a few days.

In the meantime, I wanted validation, for my own peace of mind. I knew these symptoms, but I still wanted to see what was actually in the air. There are environmental tests like ERMI and HERTSMI-2 [LINK: ERMI and HERTSMI-2 explainer], but they weren't practical for us in that moment, so I ordered a simple settle plate kit. For a deeper look at checking your space, see how to check for mold in your home.

Here's how the plates work:

• Use the sticker labels to mark which room each plate goes in.
• Take the lid off and set the plate in an area where you suspect mold. The surface is sticky, so it collects dust particles.
• After about an hour, put the lid back on and store the plates somewhere dark so light doesn't interfere.
• Give them a day or two (longer if it's cold), then check for growth.

I put eight plates in the kitchen alone, since that's where I felt the worst, plus more in the master bedroom and master bathroom. Before I even set them out, I told my partner I'd bet all the money in the world there was mold in the kitchen and hallway. A few days later, the plates looked like Aspergillus.

One note: a test of your environment is only one piece of the puzzle. Whether your body is actually carrying mycotoxins is a separate question, which I cover in urine vs. blood testing for mold toxicity. Your symptoms and timing matter just as much as any single result.

Step 2: Protect Your Body While You're Still There

Until we could leave, I was in damage control mode. Here's what I did:

• A sinus and nasal rinse every morning and every night. Mold is airborne, so I flushed my sinuses to keep it from sitting there.
• Windows open for fresh air.
• Keeping my belongings out of the house. Because there was so much to unload from the car, I didn't bring everything in, so those items didn't get contaminated.

I did the best I could to keep my system clean while we worked on getting out.

Step 3: Make Sure You Don't Take It With You

Mycotoxins are airborne, which means they can settle into clothing, linens, carpet, and anything porous. If you move into a clean space carrying contaminated belongings, you can restart the exposure cycle.

That's why I tell clients who are leaving a moldy environment: before you bring your things in, keep everything from the old space in the garage and open your boxes outside the house. If something is contaminated, your body will tend to respond quickly, and you'll know to keep that item out.

For us, the plan was to wash all of our clothes and everything we owned with natural antifungals and special cleaners before settling into our next place, so nothing got contaminated wherever we went. Cross-contamination is one of the hardest parts of recovery, and it's worth planning for early.

Why Healing First Changes What Re-Exposure Looks Like

Here's what I tell my clients when the fear shows up: it happened to me too, and it was okay, because I wasn't staying in that environment.

Once you've gone through a proper protocol to rebuild your immune system, hormones, nervous system, adrenals, and gut, you're less likely to go through the same total spiral you did before. The system is more cooperative and better able to handle it. That's not a guarantee, because everybody's biology and timeline are different. But it's exactly why healing the foundations matters so much.

A reaction doesn't automatically mean you're starting over. It may simply be your body doing what it's built to do: flagging a problem so you can act on it.

I wrote the Mold Healing Blueprint because I couldn't find anyone or anything that showed me, step by step, what was happening in my body and what to do about it. It walks through how your systems are affected, what to do right now, how to start your protocol, the supplements and nutrients, prepping the immune system, and rebuilding everything.

Where to Start If You Think You've Been Re-Exposed

If you've walked into a place and felt that familiar shift (the dizziness, the fog, the sense that something is off), trust it. Get out when you can, validate what you're dealing with, protect your body in the meantime, and keep your belongings clean.

It's okay to be worried. But you're not powerless. Healing from mold is possible. I am proof of that, and so are my clients.

Ready to Stop Guessing? If you want one-on-one help figuring out your next move, let's build a plan around your body and your situation. Virtual appointments are available worldwide. 🌿

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Healing is possible when you focus on healing the root cause. I'd love to help you get your health back on track! - Ashley Drummonds