Definition: Vesicants are substances or materials that can cause inflammation and irritation in the body, such as chemicals, irritants, or allergens. They may also affect the respiratory system by causing respiratory distress, which is a condition where the lungs become inflamed and swollen due to fluid buildup. Vesicants can be found in various forms, including dusts, gases, and liquids, and they can cause serious health issues if not properly treated.
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