Allergy Statistics USA

An allergy is a chronic condition involving an abnormal reaction to an ordinarily harmless substance called an allergen. Typical allergens include pet dander, mold, ragweed, pollen and dust mites.

According to the American College of Allergy, Asthma and Immunology (ACAAI), as many as 50 million people in the United States — about 1 in 5, have allergies. This includes millions of children.

1 in 5: Number of people in the U.S. who have either allergy or asthma symptoms
55%: Percentage of U.S. population that tests positive to one or more allergens
5th:Rank of allergies among other leading chronic diseases in the U.S.
$7.9 Billion: One estimate of the annual cost of allergies to the health care system and businesses in the U.S.
100%: Percentage of all U.S. households with detectable levels of dog and cat dander
4 Million:Number of workdays lost each year as a result of hay fever
4 weeks: Number of weeks by which the ragweed pollen season has increased in the last 10 to 15 years, likely as a result of global warming
About 50%: Odds that a child with one allergic parent will develop allergies
75%: Odds that a child with two allergic parents will develop allergies

Note: The information contained in the Allergy Info section is provided from third parties for informational purposes only.

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"Allergy Resources", Allergist; Sponsored by the American College of Allergy, Asthma & Immunology, Sept. 2, 2011

"Conditions Dictionary - Allergy", American Academy of Allergy Asthma & Immunology, Sept. 2, 2011

“Allergy Statistics and Facts”, Allergies Health Center, WebMD, March 2010

“Allergy Testing for Children”, Asthma and Allergy Foundation of America (AAFA), 2005