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What are respiratory allergies?

Respiratory allergies occur when the immune system has a negative reaction to some sort of airborne substance such as dust. Although these substances are not really a danger to the body, antibodies from the immune system identify the allergen as a threat. This causes certain cells to release a chemical called histamine, which leads to an allergic reaction. While each person's allergy symptoms are different, symptoms can affect the skin, eyes, or airways.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.