What Are Biotoxins?

Biotoxins are naturally occurring toxic substances often produced by living organisms. 

Common sources of exposure include: 

 ●     Mould and other ‘toxic soup’ components of Water-damaged buildings 

 ●     Cyanobacteria (blue-green algae) 

 ●     Certain marine organisms such as dinoflagellates 

 ●     Tick-associated illnesses, such as Lyme Disease, and other microbial exposures 

 While many people experience these exposures without long-term health effects, some individuals may develop a prolonged inflammatory response that has been proposed to contribute to chronic illness.

Understanding Chronic Inflammatory Response Syndrome (CIRS)

Chronic Inflammatory Response Syndrome (CIRS) is a condition associated with a persistent inflammatory response following exposure to certain biotoxins in genetically susceptible individuals. Originally described by Dr. Ritchie Shoemaker, CIRS has become an area of growing interest within environmental and functional medicine. Although it is not yet universally recognised as a distinct diagnosis within mainstream medicine, many practitioners consider it when investigating clients with complex, chronic symptoms and relevant environmental exposures. Because symptoms often overlap with many other health conditions, laboratory testing can provide valuable clinical information alongside a detailed medical history and physical assessment.

Common Symptoms Associated with CIRS

Clients being assessed for possible CIRS may report: 

 ●     Persistent fatigue 

 ●     Brain fog 

 ●     Poor concentration 

 ●     Memory difficulties 

 ●     Headaches 

 ●     Muscle and joint pain 

 ●     Sinus congestion 

 ●     Digestive symptoms 

 ●     Sleep disturbances 

 ●     Mood changes 

 ●     Increased sensitivity to light, sound, or chemicals 

 ●     Temperature regulation difficulties 

 No single symptom confirms CIRS, which is why a structured clinical assessment is essential.

Why Laboratory Testing Is an Important Part of Assessment

When symptoms are chronic, non-specific, and affect multiple body systems, identifying underlying contributors can be challenging.  The range of CIRS Test Panels we can provide to practitioners have access to a comprehensive range of biomarkers that can support clinical decision-making by helping to evaluate inflammatory and immune-related processes associated with suspected CIRS.  Markers assessed in CIRS include C3a, C4a, TGFb1, VEGF, VIP, aMSH, MMP, Cortisol/ACTH, Copeptin (ADH)/Osmolality. 

 Rather than relying solely on symptoms, objective laboratory data can help practitioners: 

 ●     Build a more complete clinical picture 

 ●     Investigate inflammatory pathways 

 ●     Evaluate immune system activity 

 ●     Support differential diagnosis alongside other investigations 

 ●     Monitor biomarkers over time, where clinically appropriate 

 ●     Inform personalised management strategies Laboratory results should always be interpreted within the context of each client's history, symptoms, environmental exposures, and other clinical findings.

Which Clients May Benefit from CIRS Testing?

Practitioners may wish to consider CIRS testing for clients who present with: 

 ●     Chronic fatigue without a clear explanation 

 ●     Persistent inflammatory symptoms affecting multiple body systems 

 ●     Ongoing symptoms following mould or water-damaged building exposure 

 ●     A history of suspected biotoxin exposure 

 ●     Chronic illness that has been difficult to resolve 

 ●     Complex presentations despite previous investigations 

 A detailed environmental exposure history can be an important part of determining whether further investigation is appropriate.

Why Choose Colab Services for CIRS Testing?

At Colab Services, we understand the challenges practitioners face when investigating complex chronic illness. The range of comprehensive CIRS Test Panels we facilitate have been developed to provide high-quality laboratory data that supports evidence-informed clinical assessment. By offering an extensive range of biomarkers in a carefully curated group of panels we help practitioners gain valuable insights into inflammatory and immune-related processes that may warrant further investigation, as well as clinical clarity. Whether you're assessing clients with suspected mould-related illness, chronic inflammation, or unexplained multisystem symptoms, our testing service is designed to support confident, informed clinical decision-making. Register for a Practitioner Account to get started or contact us at [email protected]. 

Supporting Better Outcomes Through Better Testing

While no laboratory test alone can diagnose CIRS, comprehensive biomarker assessment can play an important role in evaluating clients with suspected biotoxin-related illness, alongside symptom assessment. Objective laboratory data combined with symptom-based assessment allows for more personalised investigations and management plans. As awareness of environmental illness continues to grow, comprehensive testing is becoming an increasingly valuable tool for practitioners seeking deeper insights into complex chronic presentations.

Want to learn more?

Consider registering for our Biotoxins in Clinical Practice Course being held October to December 2026. The course includes 16 hours of CPD education, with 8 hours being delivered virtually, with the option of in-person attendance for a final full 8 hour day of education.