Allergies

Allergies are a major cause of illness in the United States. As many as 50 million people—about one in five—have allergies.

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Type of Allergies

Allergies exist in many different forms. Find out about the symptoms of and how to manage and treat the allergy you suffer from.

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Allergy Symptoms

Allergy symptoms occur when your immune system overreacts to an allergen—something that usually is harmless, such as plant pollen, dust mites, molds, insect stings or food.

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Allergy Treatments

Effective treatment of allergic asthma includes identifying and avoiding allergens that trigger symptoms, using drug therapies and developing an emergency action plan for severe attacks.

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Children & Allergies

Early identification of childhood allergies will improve your child’s quality of life, reduce the number of missed school days and help you avoid having to use sick time or vacation days to care for your child.

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Seasonal Allergies

If you sneeze and cough, or your nose and eyes itch and are runny during certain times of the year, you may have seasonal allergies. Seasonal allergies, like other allergies, develop when the body’s immune system becomes sensitized and overreacts to something in the environment.

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Anaphylaxis

Anaphylaxis is a rare but severe allergic reaction. It can occur suddenly, can worsen quickly and can be deadly. Just because an allergic person has never had an anaphylactic reaction doesn’t mean that one won’t occur in the future.

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Who has Allergies & Why

Exposure to allergens at times when the body's defenses are weak, such as after an illness or during pregnancy, also may play a role in developing allergies. Although allergies are most common in children, they can occur at any time and any age. Sometimes allergies go away, but they also can come back years later.

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