QEESI (Quick Environmental Exposure Symptom Inventory)

The Quick Environmental Exposure and Sensitivity Inventory (QEESI) is a self-report questionnaire designed to assess the presence and severity of symptoms related to chemical and environmental sensitivities. It was developed as a tool to aid in the evaluation and diagnosis of multiple chemical sensitivities (MCS) and other environmental sensitivities.

The QEESI consists of several scales that assess different domains of sensitivity. These scales include Chemical Intolerance, Symptom Severity, Life Impact, and Masking Index. The Chemical Intolerance scale evaluates the sensitivity to various chemicals and triggers commonly encountered in everyday life. The Symptom Severity scale measures the intensity and frequency of symptoms experienced in relation to chemical exposures. The Life Impact scale assesses the extent to which sensitivity affects different aspects of an individual’s life, including social activities, work, and overall well-being. The Masking Index scale evaluates the use of measures to mask or reduce symptoms, such as avoidance strategies or protective behaviors.

By completing the QEESI, individuals can gain insight into their level of sensitivity and the impact it has on their daily lives. It can assist healthcare professionals in evaluating and monitoring the presence and severity of symptoms associated with chemical and environmental sensitivities. The QEESI does not provide a definitive diagnosis of MCS or other sensitivities, but it serves as a useful screening and assessment tool that can guide further clinical evaluation and management strategies.

It is important to note that the QEESI is not without limitations, and its use should be complemented by comprehensive medical evaluation and consideration of other factors contributing to symptoms. Additionally, the interpretation of QEESI results should be done in collaboration with healthcare professionals experienced in environmental sensitivities to ensure accurate understanding and appropriate management.

The Quick Environmental Exposure and Sensitivity Inventory (QEESI) was developed by Dr. Claudia S. Miller, an environmental health specialist and professor at the University of Texas Health Science Center at San Antonio. Dr. Miller is known for her research and expertise in multiple chemical sensitivities (MCS) and environmental health. She developed the QEESI as a self-report questionnaire to assess and measure symptoms and sensitivities related to chemical and environmental exposures.


Miller, C. S. (1999). Chemical sensitivity: Symptom, syndrome or mechanism for disease? Toxicology and Industrial Health, 15(3-4), 386-397. doi:10.1177/074823379901500302