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Allergic rhinitis
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Nasal inflammation due to allergens in the air
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Allergic rhinitis, of which the seasonal type is called hay fever, is a type of inflammation in the nose that occurs when the immune system overreacts to allergens in the air. It is classified as a type I hypersensitivity reaction. Signs and symptoms include a runny or stuffy nose, sneezing, red, itchy, and watery eyes, and swelling around the...

Instance of
class of disease
Signs and symptoms
Subclass of
respiratory allergy
Disease
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