Understanding Sick Building Syndrome: Signs You May Be at Risk
- Jessica Hoffland

- Jan 10
- 2 min read
Sick Building Syndrome (SBS) affects many people who spend long hours indoors, yet it often goes unrecognized. If you frequently experience unexplained headaches, fatigue, or irritation while inside a particular building, you might be at risk. This post explores what Sick Building Syndrome is, how to identify its signs, and what steps you can take to protect yourself.

What Is Sick Building Syndrome?
Sick Building Syndrome refers to a situation where occupants of a building experience acute health or comfort issues linked directly to time spent inside the building. Unlike illnesses caused by specific pathogens, SBS symptoms often disappear after leaving the building. The cause usually relates to indoor air quality, ventilation problems, or exposure to chemical contaminants.
Common sources include:
Poor ventilation systems that fail to circulate fresh air
Chemical pollutants from cleaning agents, paints, or office equipment
Biological contaminants like mold, bacteria, or dust mites
Understanding these sources helps in recognizing whether your environment might be contributing to your symptoms.
Common Signs You May Be at Risk
People affected by Sick Building Syndrome often report a range of symptoms that appear during the workday or time spent indoors and improve when away from the building. Watch for these signs:
Headaches that develop or worsen indoors
Persistent fatigue or difficulty concentrating
Irritation of the eyes, nose, or throat
Dry or itchy skin
Dizziness or nausea
Increased frequency of respiratory infections
If you notice these symptoms regularly in a specific building, it’s a strong indicator that the indoor environment might be the cause.
Who Is Most Vulnerable?
While anyone can experience SBS, certain groups are more sensitive:
People with allergies or asthma
Individuals with pre-existing respiratory conditions
Children and elderly adults
Workers in buildings with poor maintenance or outdated HVAC systems
For example, employees in older office buildings with sealed windows and limited fresh air intake often report higher rates of SBS symptoms.
How Indoor Air Quality Affects Health
Indoor air quality plays a crucial role in SBS. Buildings with inadequate ventilation trap pollutants inside, increasing exposure to harmful substances. For instance, volatile organic compounds (VOCs) released from office furniture or cleaning products can irritate mucous membranes. Mold growth in damp areas releases spores that trigger allergic reactions.
Regular monitoring of air quality and maintaining HVAC systems can reduce these risks significantly.
Practical Steps to Reduce Your Risk
If you suspect your building may cause SBS symptoms, consider these actions:
Improve ventilation by opening windows or using air purifiers with HEPA filters
Request regular maintenance of HVAC systems to ensure proper airflow and filtration
Use low-emission cleaning products and materials to reduce chemical pollutants
Keep indoor plants that can help filter air naturally, such as spider plants or peace lilies
Take breaks outside to get fresh air and reduce continuous exposure
Employers and building managers should also conduct indoor air quality assessments and address any identified issues promptly.
When to Seek Professional Help
If symptoms persist despite improving your environment, consult a healthcare professional. They can rule out other causes and provide guidance on managing symptoms. Additionally, environmental specialists can perform detailed inspections to identify hidden sources of contamination.



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