Allergies: General Information

Synonyms and Related Terms

Synonyms of Allergies:

  • Allergy

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Category of Allergies:



Category of Allergies:


Prevalence of Allergies

Food allergies cause about 30,000 severe allergic reactions every year in the United States.

Source: NIH News in Health (NIH)4

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The rate of food allergic reactions are high—about one each year for allergic children, according to a 2012 NIAID-funded study.

Source: NIAID (NIH)5

Seasonality of Allergies

Many people get bad allergies in the fall, when ragweed pollen is at its peak in many areas, and winter can bring its own allergies as people spend more time indoors around pet dander and house dust mites.

Source: NIH News in Health (NIH)6

Symptom Onset of Allergies

Symptoms of an allergic reaction to a food usually develop within a few minutes to an hour after eating the food.

Source: OWH (DHHS)7

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Allergic reactions usually happen quickly within a few minutes of exposure to an allergen.

Source: NHS Choices UK8

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  1. Source: Human Phenotype Ontology
  2. ibid.
  3. Source: NCI Thesaurus
  4. Source: NIH News in Health (NIH): 2008/ May/ docs/ 01features_01.htm
  5. Source: NIAID (NIH): diseases-conditions/ treatment-living-food-allergy
  6. Source: NIH News in Health (NIH): 2005/ October2005/ docs/ 01features_01.htm
  7. Source: OWH (DHHS): fitness-and-nutrition/ special-food-issues
  8. Source: NHS Choices UK: conditions/ Allergies/ 

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