Sick Building Syndrome (SBS) is a condition where building occupants experience acute health effects. These effects are linked to time spent in a building. The symptoms often disappear when occupants leave the building.

SBS is caused by poor indoor air quality. This can stem from various sources like inadequate ventilation, biological contaminants, or chemical pollutants.

TL;DR:

  • Sick Building Syndrome (SBS) makes you feel sick inside a building.
  • Symptoms like headaches and fatigue are common.
  • Poor indoor air quality is the main culprit.
  • Causes include bad ventilation, mold, and chemicals.
  • Addressing the root cause is key to fixing SBS.

What Is the Sick Building Syndrome and What Causes It?

You might feel tired, get headaches, or have trouble concentrating when you’re at work or school. Have you ever noticed these symptoms improve when you go home? This could be a sign of Sick Building Syndrome, or SBS.

Understanding Sick Building Syndrome

SBS describes a situation where a group of people in the same building experience similar, unpleasant health symptoms. These symptoms are directly related to the time they spend inside that particular building. Many experts say that if occupants feel better once they leave the building, it strongly suggests SBS.

Common Symptoms of SBS

The symptoms associated with SBS can vary widely. They often mimic common illnesses, making them tricky to diagnose. Common complaints include:

  • Headaches
  • Fatigue and difficulty concentrating
  • Irritation of the eyes, nose, and throat
  • Dry or itchy skin
  • Nausea
  • Dizziness
  • Increased incidence of respiratory problems

It’s important to note that these symptoms are often very real and can impact your daily life. They are not imagined; they are a response to your environment.

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A small kitchen fire left heavy smoke damage and soot all over our downstairs. The restoration team was incredibly respectful of our home and worked tirelessly to clean every surface. I honestly didn't think they'd get the smoke smell out, but it's completely gone.
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Exploring the Causes of Poor Indoor Air Quality

The primary driver behind Sick Building Syndrome is poor indoor air quality (IAQ). This can be caused by a combination of factors within a building’s environment. We found that understanding these sources is the first step toward finding solutions.

Inadequate Ventilation

Buildings need to breathe. Proper ventilation ensures fresh outdoor air enters the building. It also helps remove stale indoor air, along with pollutants. If your building’s ventilation system is not working efficiently, pollutants can build up.

How Ventilation Fails

This can happen if air intake vents are blocked or if the system is not designed to bring in enough outside air. Sometimes, energy-saving measures can reduce fresh air intake too much. This creates an environment where pollutants can concentrate.

Biological Contaminants

Living organisms can also be a source of IAQ problems. Mold, mildew, bacteria, and viruses thrive in damp environments. These can grow in leaky pipes, humidifiers, or areas with poor air circulation. When these contaminants become airborne, they can cause respiratory issues and allergic reactions.

Mold and Mildew Issues

Finding mold in your home or office is a clear sign of a moisture problem. Addressing the source of the moisture is critical. Ignoring it can lead to widespread mold growth and significant health concerns. If you suspect mold, it’s best to call a professional right away.

Chemical Pollutants

Many common building materials and products release chemicals into the air. This is known as off-gassing. Examples include paints, adhesives, carpets, and cleaning supplies. Volatile Organic Compounds (VOCs) are a major group of these chemicals.

Common Sources of VOCs

Even office equipment like printers can release VOCs. Air fresheners and other scented products also contribute. These chemicals can cause headaches and respiratory irritation. Some are even linked to more serious long-term health effects. Identifying these sources is key to improving your environment.

Other Contributing Factors

Several other elements can contribute to SBS. These include:

  • High humidity levels: This encourages mold and dust mite growth.
  • Poor maintenance: Dirty filters or neglected systems can spread contaminants.
  • Building occupant activities: Smoking indoors or certain hobbies can introduce pollutants.
  • External pollution: Nearby industrial activity or traffic can bring pollutants inside.

Research shows that a combination of these factors often leads to SBS. It’s rarely just one single issue.

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45-Minute Emergency Response Time
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Household fans won't cut it—we use heavy-duty structural dehumidifiers and high-velocity air movers. This advanced equipment pulls deep moisture from your walls to guarantee a completely dry home.
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Investigating Potential Causes in Your Building

When you suspect SBS, it’s time to play detective. Look closely at your indoor environment. What might be contributing to the problem? It’s important to consider all possibilities. This includes looking at things that might seem minor at first glance.

Assessing Ventilation Systems

A good starting point is to check your building’s ventilation. Is the system running? Are filters clean? Is there adequate fresh air intake? Many experts recommend regular checks of HVAC systems. Ensuring they are functioning correctly is vital for good IAQ. If your system is struggling, it could be a sign of bigger issues.

Checking for Moisture and Mold

Inspect areas prone to moisture. Look for any signs of water damage, leaks, or visible mold. Bathrooms, kitchens, basements, and areas around windows are common spots. Dampness can also hide behind walls or under carpets. Catching these issues early can prevent widespread problems.

Identifying Chemical Sources

Walk around your space and note any strong odors. Are new cleaning products being used? Is there new carpeting or furniture? These could be off-gassing chemicals. Reducing the use of scented products can also help. Sometimes, a simple change can make a big difference.

When to Seek Professional Help

If you’re dealing with persistent issues like water damage or mold, it’s wise to seek expert help. Professionals can assess the situation and recommend the best course of action. For instance, understanding what damage exclusions are most common in home policies can be helpful if repairs are needed.

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Immediate Emergency Dispatch
Our team is on standby 24/7 to answer your call and deploy a certified crew to your property immediately. We arrive quickly to stabilize the situation and prevent secondary damage from spreading.
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Assess and Document Damage
Using advanced diagnostic tools—including thermal imaging cameras and specialized meters—our technicians precisely map the full extent of the structural compromise. We provide a transparent action plan and document everything for your records.
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Contain and Stabilize Hazards
We take immediate action to isolate the affected areas, prevent further deterioration, and establish safety containment zones. Our crew utilizes commercial-grade equipment to secure the integrity of your property right away.
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We conduct a rigorous final inspection using specialized testing equipment to ensure the environment is completely safe. Our team walks through the restored space with you to guarantee your absolute satisfaction.

The Role of Environmental Factors

Sometimes, external environmental factors can play a role. Weather patterns can influence indoor air quality. For example, extreme weather events can lead to increased moisture or require buildings to be sealed more tightly. We found that understanding these broader patterns can provide context. For instance, how el niño and la niña affect your home’s damage risk is a good example of this.

Humidity and Airflow

Consistent high humidity is a breeding ground for mold and dust mites. Ensuring proper airflow and using dehumidifiers when necessary can help control this. Low humidity can also cause issues, leading to dry skin and irritated airways. Maintaining a balanced humidity level is ideal.

External Pollution Intrusion

Pollution from outside can enter buildings through open windows or ventilation systems. If you live near a busy road or industrial area, this is a greater concern. Air purifiers can help filter out some of these external pollutants.

Taking Action to Improve Your Environment

Once potential causes are identified, it’s time to act. The goal is to improve the indoor air quality and eliminate the source of the symptoms. Don’t wait to get help if you are experiencing ongoing issues.

Improving Ventilation and Air Filtration

Ensure your HVAC system is regularly maintained. Consider upgrading filters to higher MERV ratings for better air cleaning. Opening windows when outdoor air quality is good can also help. Fresh air is a powerful tool against indoor pollutants.

Controlling Moisture Sources

Fix any leaks promptly. Use exhaust fans in bathrooms and kitchens. Ensure proper drainage around your building’s foundation. Controlling moisture is essential for preventing mold and mildew growth. This is a critical step in maintaining a healthy indoor environment.

Reducing Chemical Exposure

Opt for low-VOC or no-VOC products whenever possible. Use natural cleaning supplies. Avoid air fresheners and heavily scented products. Proper storage of chemicals is also important. Ventilate well when using any cleaning agents.

When to Consider Professional Restoration

For significant issues like extensive mold growth or water damage, professional restoration services are essential. They have the expertise and equipment to handle these problems safely and effectively. Sometimes, what appears to be a minor issue can have underlying problems. For example, understanding what should never be flushed: causes of sewer backup can highlight how hidden issues can cause major damage.

Conclusion

Sick Building Syndrome is a real concern for many building occupants. It’s characterized by health symptoms directly linked to time spent indoors. The primary causes are poor indoor air quality stemming from inadequate ventilation, biological contaminants like mold, and chemical pollutants from various sources. By systematically investigating these potential issues and taking appropriate action, you can significantly improve your indoor environment. At Mesquite Restoration Pros, we understand the impact of environmental factors on your health and property. We are here to help you identify and resolve issues that affect your indoor air quality, ensuring a safer and healthier space for you and your family.

What are the most common symptoms of Sick Building Syndrome?

Common symptoms include headaches, fatigue, dizziness, nausea, and irritation of the eyes, nose, and throat. People may also experience increased respiratory problems or skin irritation.

Can stress cause Sick Building Syndrome symptoms?

While stress can exacerbate symptoms or mimic some of them, SBS is primarily caused by physical factors in the building’s environment, like poor air quality. Stress is not considered a direct cause of SBS.

How is Sick Building Syndrome different from allergies?

Allergies are specific immune responses to allergens like pollen or pet dander. SBS symptoms are more general and linked to the overall indoor environment, often disappearing when leaving the building. Some SBS symptoms can be caused by allergens, but not all.

What is the difference between Sick Building Syndrome and Building-Related Illness?

Sick Building Syndrome refers to situations where symptoms cannot be identified with a specific illness. Building-Related Illness (BRI) is when symptoms of a diagnosable illness are identified and can be directly attributed to airborne building contaminants.

Can I test my home for indoor air quality issues?

Yes, you can purchase home testing kits for common pollutants like mold or VOCs. However, for a thorough assessment of ventilation and complex issues, it’s often best to consult a professional indoor air quality specialist or a restoration company.

About the Author
Mayra Estrada
Mayra Estrada
Senior Restoration Specialist
20+ Years
★ 4.8 420 reviews
1,500+ Projects
5 IICRC certs
Water Damage Restoration (WRT) Applied Structural Drying (ASD) Applied Microbial Remediation (AMRT) Fire & Smoke Restoration (FSRT) Odor Control (OCT)

Mayra Estrada is a seasoned damage restoration professional with over 20 years of experience. She has worked tirelessly to help families and businesses restore their properties to a safe and healthy state after disaster strikes.

𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀: Mayra is proud to hold certifications in Water Damage Restoration, Applied Structural Drying, Applied Microbial Remediation, Fire & Smoke Restoration, and Odor Control. Her expertise is built on a foundation of rigorous training and continuous education.

𝗙𝗮𝘃𝗼𝗿𝗶𝗧𝗲 𝗣𝗮𝘀𝘁𝗶𝗺𝗲 / 𝗛𝗼𝗯𝗯𝗶𝗲𝘀: Mayra enjoys hiking and practicing yoga in her free time. She believes that maintaining a healthy work-life balance is essential for delivering exceptional service to her clients.

𝗕𝗲𝘀𝘁 𝗣𝗮𝗿𝘁 𝗼𝗳 𝗧𝗵𝗲 𝗝𝗼𝗯: Mayra's favorite part of her job is the sense of satisfaction she gets from seeing a property transform from a disaster zone to a safe and beautiful space again. She takes pride in knowing that her expertise has helped alleviate the stress and uncertainty of her clients during a difficult time.

Technically reviewed by Astrid Vexel — Lead IICRC-Certified Restoration Specialist · License #: IICRC #8543210 Astrid Vexel serves as our senior technical reviewer, ensuring the accuracy and precision of our restoration processes and documentation. With extensive experience in water, fire, mold, and biohazard remediation, Astrid ensures our clients receive the highest quality of service and adheres to the industry's most stringent standards.

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