Hay Fever

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Signs and Symptoms


Hay fever (allergic rhinitis) allergy symptoms are characterized by inflammation of the mucous membranes lining the nasal passages. Common allergy symptoms include sneezing, itchy eyes, ear congestion, rash itching, and nasal symptoms that include postnasal drip; clear, thin nasal discharge; and nasal congestion.

When microscopic substances (called allergens) are inhaled into the nose and lungs, the immune system reacts to them as "invaders" and produces immunoglo...Read the full article