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How do respiratory allergies affect the body?

Dr. Jeanne Morrison, PhD
Family Practitioner

Respiratory allergies occur when the immune system has a negative reaction to a particular airborne substance, like pollen, that's breathed in. Even though these substances are not really a danger to the body, antibodies in the immune system identify the allergen as a threat. This causes cells to release histamines, which cause inflammation in the area of the reaction. Most commonly, the areas affected by respiratory allergies include the skin, eyes, and 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.