- More than 50 million Americans suffer from allergies or an allergy-related
disease, like asthma.
- Allergies are the 6th leading cause of chronic disease in the United States,
costing the health care system $18 billion annually.
- An estimated 14 million office visits to health care providers were due
to allergic rhinitis in 2002.
- Immunotherapy ultimately works in up to 90% of people with seasonal allergic
rhinitis, and it 70 - 80% of those with perennial allergic rhinitis.
- About 1 - 6% of the general population is allergic to latex.
- True food allergies are fairly uncommon -- less than 4 percent of adults
have them, and experts estimate food allergy occurs in 6 - 8% of children
age 4 and younger.
- Peanut or tree nut allergies affect 1 - 2 % of Americans, but cause the
most severe food-induced allergic reactions.
- It is estimated that more than 150 people die a year from a severe allergic
reaction (anaphylaxis) to food. At least 40 deaths occur annually in the
U.S. from reactions to insect stings. A severe allergic reaction occurs in
.5 - 5% of the U.S. population a a result of insect stings.
- Venom immunotherapy can prevent systemic reactions to stings in people
with insect senitivites 97% of the time.
- People who get allergic symptoms during the winter may be allergic to mold spores.
Molds remain outside much longer than pollen,
and may be indoors year-round.
- More than 35 million Americans have chronic
sinusitis, making it one of the most common chronic health conditions
in the U.S.
- Allergic drug reactions account for 5 - 10% of all adverse drug reactions,
with skin reactions being the most common form.
- Penicillin is a common cause of drug allergy. Anaphylactic reactions to
penicillin cause 400 deaths a year.
- Itchy rash (allergic dermatitis) is the most common skin condition in children
younger than age 11. The percentage of children diagnosed with allergic dermatitis
has increased from 3% in the 1960s to 10% in the 1990s.
- Hives (acute urticaria) is common, affecting 10 - 20% of the population
at some time in their lives. Half of those affected continue to have symptoms
for more than 6 months.
National Institute of Allergy and Infectious Diseases. Allergy Statistics.
Bethesda, MD: Office of Communications and Public Liaison. 2004 Dec.
National Institute of Allergy and Infectious Diseases. Allergy and Asthma
Information Resources: Allergy and Asthma Statistics. Bethesda, MD:
Office of Communications and Public Liaison. 2007 Feb.
Alan Greene, M.D., F.A.A.P., Department of Pediatrics, Packard Children's Hospital, Stanford University School of Medicine; Chief Medical Officer, A.D.A.M., Inc.
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