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A food allergy is an abnormal reaction to a food triggered by your immune system.
Antihistamine medications help relieve or prevent allergy symptoms. Learn more about first-generation and second-generation antihistamines.
Sinusitis is a condition in which the lining of your sinuses becomes inflamed. Learn about the symptoms, causes, and…
Allergic conjunctivitis is called “pink eye.” It causes your eye to become irritated, swollen, itchy, sore, and watery.
Learn about the symptoms, causes, diagnosis, treatment and prevention of allergies and allergic rhinitis (hay fever).
Learn how to prevent allergy and asthma symptoms by cutting down on the number of dust mites in your…
Learn about antihistamines and how to safely take your prescription antihistamine.
Learn about the symptoms of and treatment options for exercise-induced urticaria (hives).
