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What Is Sick Building Syndrome?

Last updated October 26, 2026

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The short answer

Common Symptoms

Symptoms of sick building syndrome vary from person to person, but they often include headache, dizziness, nausea, and difficulty concentrating. You might also notice a dry cough, itchy skin, or irritated eyes and nose. These symptoms typically ease shortly after you leave the building.

If you feel unwell only when you are inside a specific space, that pattern is a clue. Pay attention to when symptoms start and stop. This information helps you and a professional narrow down what might be triggering the reaction.

  • Headache or dizziness
  • Fatigue or trouble focusing
  • Irritated eyes, nose, or throat
  • Dry or itchy skin
  • Nausea or mild breathing discomfort

Likely Causes

Poor ventilation is a common culprit, especially in tightly sealed buildings. Indoor pollutants like dust, cleaning chemicals, or off-gassing from furniture can build up. Another frequent cause is hidden moisture, which can lead to mold growth and musty air.

Water damage from a slow leak or a past flood can soak into drywall, carpet, or insulation. Even after the visible water is gone, damp materials can harbor mold and release spores. This is why you should inspect for water stains, warped floors, or a persistent musty smell.

If you live in Doral, the humid climate can make moisture problems more likely, so staying alert to damp spots is worthwhile.

Diagnosis and Health Steps

Sick building syndrome is not a formal medical diagnosis. Doctors usually consider it when symptoms are tied to a specific building and no other illness is found. If you have persistent symptoms, see a doctor to rule out other health conditions.

A mold professional can test for mold if you suspect it is present. They can also help identify moisture sources. Your doctor and the mold professional work together to give you a clearer picture, but neither can diagnose the building itself.

Fixing the Problem

Start by improving ventilation. Open windows when weather allows, and make sure exhaust fans work in bathrooms and kitchens. Replace air filters regularly. Remove obvious sources of pollutants, such as strong chemical cleaners or new furniture that off-gasses.

For hidden moisture, you need to find and stop the leak first. A plumber can fix a broken pipe or an overflowing AC drain line. After the leak is stopped, water-damaged materials like drywall or carpet may need to be removed and replaced.

  • Open windows or use exhaust fans
  • Change HVAC filters monthly
  • Fix any plumbing leaks promptly
  • Dry wet areas within 48 hours
  • Clean with low-toxicity products
  • Keep indoor humidity below 60 percent

When to Call Pros

If you cannot find the source of moisture or if water damage is extensive, local water damage pros can help. They can inspect the building for hidden leaks and moisture pockets. Their work usually involves drying, cleaning, and removing damaged materials.

For a thorough inspection, a water damage inspection service can identify problem areas. If drywall or flooring is soaked, those sections often need professional repair or removal. Acting quickly is important because mold can start growing within a day or two.

Policies vary, and your insurer decides what is covered. Check your policy to see if water damage is included.

Talk to someone now

Water keeps spreading into floors and walls, so it is worth acting early. Calls are answered 24/7.

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Frequently asked questions

Can sick building syndrome be cured?

There is no specific cure, but symptoms usually go away once you leave the building or the cause is fixed. Improving ventilation and fixing moisture issues often resolve the problem. If symptoms persist, see a doctor.

How long does sick building syndrome last?

Symptoms typically last only as long as you are in the building. They may fade within hours after you leave. If the underlying cause is not addressed, symptoms are likely to return each time you re-enter.

Is sick building syndrome the same as mold illness?

No. Sick building syndrome is a general term for symptoms linked to a building, with no single cause identified. Mold exposure is one possible cause, but other factors like poor ventilation or chemicals can also trigger symptoms. A mold professional can test for mold.

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