Allergy Facts

过敏是第六届慢性疾病的主要原因ness in the U.S.

  • Asthma and allergic diseases, such as allergicRhinitis is an inflammation of the mucous membrane that lines the nose, often due to an allergy to pollen, dust or other airborne substances. Seasonal allergic rhinitis also is known as "hay fever," a disorder which causes sneezing, itching, a runny nose and nasal congestion." rel="tooltip">rhinitis(hay fever), foodAllergies are inappropriate or exaggerated reactions of the immune system to substances that, in the majority of people, cause no symptoms. Symptoms of the allergic diseases may be caused by exposure of the skin to a chemical, of the respiratory system to particles of dust or pollen (or other substances), or of the stomach and intestines to a particular food." rel="tooltip">allergy, andAn inflammation of the skin, usually causing itching and sometimes accompanied by crusting, scaling or blisters. A type of eczema often made worse by allergen exposure is termed "atopic dermatitis."" rel="tooltip">eczema, are common for all age groups in the United States. Asthma affects more than 24 million people in the U.S., including more than 6 million children.1
  • 过敏是第六届慢性疾病的主要原因ness in the U.S. with an annual cost in excess of $18 billion. More than 50 million Americans suffer from allergies each year.2
  • Allergic rhinitis, often called hay fever, is a common condition that causes symptoms such as sneezing, stuffy nose, runny nose, watery eyes and itching of the nose, eyes or the roof of the mouth.
  • Allergic rhinitis can be seasonal or perennial.
  • Symptoms of seasonal allergic rhinitis occur in spring, summer and/or early fall. They are usually caused by allergic sensitivity to pollens from trees, grasses or weeds, or to airborne mold spores.
  • People with perennial allergic rhinitis experience symptoms year-round. Perennial allergic rhinitis is generally caused by sensitivity to house dust mites, animal dander, cockroaches and/or mold spores. Underlying or hidden food allergies rarely cause perennial nasal symptoms.
  • Once diagnosed, allergic rhinitis treatment options are: avoidance, eliminating or decreasing your exposure to the irritants or allergens that trigger your symptoms, medication andImmunotherapy is a form of preventive and anti-inflammatory treatment of allergy to substances such as pollens, house dust mites, fungi, and stinging insect venom. Immunotherapy involves giving gradually increasing doses of the substance, or allergen, to which the person is allergic. The incremental increases of the allergen cause the immune system to become less sensitive to the substance, perhaps by causing production of a particular "blocking" antibody, which reduces the symptoms of allergy when the substance is encountered in the future." rel="tooltip">immunotherapy(allergy shots).
  • Immunotherapy (allergy shots) helps reduce hay fever symptoms in about 85% of people with allergic rhinitis.
  • The prevalence of food and skin allergies increased in children under 18 years from 1997-2011.3
  • In data published from the 2014 National Health Interview Survey (NHIS), 8.4% of US children under age 18 suffered from hay fever, 10% from respiratory allergies, 5.4% from food allergies, and 11.6% from skin allergies.4