Multiple Chemical Sensitivity (MCS) is a chronic condition characterized by a heightened sensitivity to certain chemicals and environmental triggers. Individuals with MCS experience adverse reactions to various substances found in everyday environments, including pollutants, fragrances, cleaning products, pesticides, and other chemicals.
Key points:
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Symptoms: Respiratory symptoms: coughing, wheezing, shortness of breath, or chest tightness. Neurological symptoms: headaches, dizziness, cognitive dysfunction, irritability. Dermatological symptoms: skin rashes, itching, or hives. Gastrointestinal symptoms: nausea, vomiting, diarrhea, or abdominal pain. Musculoskeletal symptoms: muscle and joint pain. General symptoms: Fatigue, malaise, general weakness.
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Triggers: Volatile organic compounds (VOCs), fragrances, biotoxins such as pesticides and herbicides, pollutants such as smoke and vehicle exhaust, indoor allergens, indoor toxins such as mold and mildew, electromagnetic fields (EMFs).
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Diagnosis: Use [medical history](../medical-history/), symptom evaluation, and exclusion of other medical conditions with similar symptoms. Individuals with MCS may undergo allergy testing, environmental testing, or provocation testing to identify specific triggers.
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Management: Minimize triggers. Use non-toxic products. Improve indoor air quality via good ventilation and air filters. Use personal protective measures, such as masks and filters. Try stress management.
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Challenges: Individuals may face difficulties in finding suitable environments, accessing services, and navigating social situations.