Approximately 55% of all US citizens test positive to one or more allergens.
An estimated 50 million Americans suffer from all types of allergies (1 in 5 Americans) including indoor/outdoor, food, drug, latex, insect, skin & eye allergies.
Allergy prevalence overall has been increasing since the early 1980s across all age, sex, and racial groups.
Allergies are the sixth leading cause of chronic illness in the US.
Allergies are the most frequently reported chronic condition in children, limiting activities for more than 40% of them.
Each year, allergies account for more than 17 million outpatient office visits, primarily in the spring and fall; seasonal allergies account for more than half of all allergy visits.
The annual cost of allergies is estimated to be nearly $7 billion.
4 million workdays are lost each year as a result of hay fever.
In the past year, 18.4 million adults and 6.7 million children were diagnosed with hay fever.
Allergies are a major cause of work absenteeism resulting in nearly 4 million missed or lost workdays per year, resulting in a total cost of more than $700 million in total lost productivity.
Pollen allergy (hay fever or allergic rhinitis) affects nearly 8.6% of adults in the US, not including those with asthma.
Chronic sinusitis, most often caused by allergies, affects nearly 29.5 million people in the US.
Allergic rhinitis affects between 10% and 30% of adults and as many as 40% of children.
Sinusitis accounts for approximately 20% of office visits to specialists in allergy and immunology.
Approximately 12% of Americans under the age of 45 have symptoms of chronic sinusitis.
7.1 million children (9.6% of all children) reported to having hay fever in the past 12 months.
Approximately 40 million Americans have indoor/outdoor allergies as their primary allergy.
Approximately 10 million people are allergic to cat dander, the most common pet allergy.
The most common indoor/outdoor allergy triggers are: tree, grass and weed pollen, mold spores, dust mites, cockroaches, cat, dog and rodent dander.
About 27% of children who have a food allergy also have eczema or a skin allergy.
As many as 15% - 24% of people in the US will experience acute urticaria (hives) at some point in their lives.
Approximately 7% of allergy sufferers have skin allergies as thei primary allergy.
Skin allergies alone account for more than 7 million outpatient visits per year.
Kids with a food allergy are 2 to 4 times more likely to have a condition such as asthma and other allergies.
Food allergies occur in approximately 6% - 8% of children under the age of 4 and approximately 4% of adults.
8 foods types account for 90% of all food-allergic reactions: milk, peanuts, tree nuts, wheat, soy, fish and shellfish.
Approximately 4% of allergy sufferers have insect allergies as their primary allergy.