What Is CIRS? When Mold Makes You Sick
The short version: CIRS stands for Chronic Inflammatory Response Syndrome. It’s what some people develop after being exposed to mold and other biotoxins, often from a water-damaged building. Their immune system reacts and then stays switched on, which causes a wide range of symptoms that are easy to blame on other things. More people are being diagnosed with it every year. The medical side is handled by a doctor. But one thing has to happen no matter what: the mold has to come out of the home, or the body never gets a break.
Some people feel sick for years and never get a clear answer. They go from doctor to doctor. The tests come back normal, or the diagnosis keeps changing. They have ongoing digestive issues, headaches, respiratory issues, brain fog, skin issues, anxiety, just to name a few symptoms and their traditional medical practitioners can’t say exactly why.
For a growing number of those people, the answer turns out to be mold.
The name for this is CIRS, or Chronic Inflammatory Response Syndrome. More people are being diagnosed with it every year, and a lot of them are surprised to learn that something in their own home could be behind how they feel. Let’s walk through what CIRS is, why it happens, and what your home has to do with it.
What CIRS Actually Is
CIRS is a long-lasting reaction in the body to biotoxins. Those are toxins that come from things like mold, usually from a building that has had water damage or moisture issues.
Here’s the simple version. When most people breathe in mold and its byproducts, their body clears them out and moves on. But in some people, the body can’t clear them. The toxins stick around, and the immune system stays switched on, fighting something it can’t get rid of.
Think of a smoke alarm that won’t shut off even after the smoke is gone. That constant alarm is the inflammation. And inflammation that never stops is what makes people feel sick all over, often for a long time.
One thing to be clear about. CIRS usually isn’t mold growing inside you. It’s your body reacting to the mold and the toxins it makes, and then getting stuck in that reaction.
Why Some People Get It and Others Don’t
This is the part that confuses families. One person in the house is wiped out, and everyone else feels fine. How?
It often comes down to genetics. Most people’s bodies can flush these toxins out, the way you’d take out the trash. But research suggests some people are built so their bodies can’t clear them well. The toxins keep recirculating, and the reaction keeps going.
So two people can live in the same house, with the same mold, and have completely different experiences. One clears it without a problem. The other gets sick and stays sick. It isn’t in their head, and it isn’t their fault.
The Symptoms Are Easy to Miss
CIRS doesn’t look like one clear illness. It shows up across the whole body, which is exactly why it gets missed or mislabeled.
People report things like deep fatigue, brain fog, headaches, aches and pains, sinus problems, trouble sleeping, and mood changes. Any one of those can be blamed on stress, aging, or a dozen other things. Together, and when they don’t go away, they start to point somewhere else.
We wrote more about the warning signs in our post on the symptoms of mold biotoxin illness if you want the fuller list.
Why More People Are Being Diagnosed
A few things are coming together here.
Water damage is common, and a lot of it goes unnoticed or unfixed. A slow leak, a damp basement, or an old roof problem can grow mold for years behind the scenes. At the same time, more doctors and practitioners now recognize CIRS and test for it, so people who used to go without answers are finally getting them.
That’s why a diagnosis a lot of people had never heard of is showing up more and more.
What This Has to Do With Your Home
Here’s where it gets practical. If mold is making someone sick, medicine alone can’t fully fix it while the mold is still in the house.
It’s like trying to heal a cut while something keeps reopening it. As long as the person is breathing the same air every day, the body keeps getting hit. Removing the mold from the home takes away the source.
That matters even more for someone with CIRS, because they’re already extra sensitive. A mold removal job that fills the house with harsh chemicals can set them back instead of helping. That’s the last thing they need.
We Can’t Treat CIRS, But We Can Remove the Source
We’ll be straight with you. We’re not doctors. CIRS is diagnosed and treated by medical professionals, and if you think it might be affecting you or someone in your home, that’s who to see.
What we can do is the other half of the equation. We remove the mold from your home at the root, using chemical-free methods, so the person isn’t being re-exposed every day. No harsh chemicals, no residue, nothing new to react to. We have helped thousands of families who have gone through CIRS.
Getting the mold out of the environment is a step that has to happen. We take care of that part.
Want to Learn More About CIRS?
Much of what we know about CIRS comes from Dr. Ritchie Shoemaker, one of the pioneers in this area. He has treated thousands of patients with mold illness and helped shape how it gets diagnosed and understood.
If you want to go deeper, his site is a good place to start. It explains what CIRS is, what happens in the body, the genetic piece behind why some people get sick while others don’t, and how doctors test for it. You can read more on his patient diagnosis page:
Surviving Mold: Mold Illness Diagnosis (Dr. Ritchie Shoemaker)
That’s the medical side. Our part is making sure your home isn’t what’s keeping you sick.
We’re Here to Help
If a doctor or medical professional has connected your symptoms to mold, or you just suspect your home might be making someone sick, we’re here to help. We do chemical-free mold remediation for homes across Ann Arbor and the rest of Southeast Michigan, with extra care for households where someone’s health is on the line.
Call us at 734-439-8800 or email peaceofmind@moldprollc.com. We’re glad to talk it through and help you get the mold out for good!
This article is for general information and isn’t medical advice. For diagnosis or treatment, please talk with a qualified medical professional.
