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Tree nut allergy
Classification and external resources

Hazelnuts
ICD-9 V15.05
MeSH D021184

Tree nut allergy is a type of food allergy. It is a hypersensitivity to dietary substances from tree nuts causing an overreaction of the immune system which may lead to severe physical symptoms for millions of people[1]. Nut allergy is slightly different from peanut allergy because the type of nuts that cause the allergic reactions are not the same. Peanuts are considered legumes whereas tree nuts are considered dry fruits. The symptoms of peanut allergy and nut allergy are the same, but a person with peanut allergies may not necessarily also be allergic to tree nuts, and vice versa.

Tree nut allergies occur mainly, but not exclusively, in children. They are usually treated with an exclusion diet and vigilant avoidance of foods that may be contaminated with tree nuts or nut particles and/or oils. The most severe nut allergy reaction is called anaphylaxis[2] and is an emergency situation requiring immediate attention and treatment with epinephrine.

Hazelnut has been used as a model tree nut in the study of tree nut allergies.[3]

See also

References

  1. ^ National Institutes of Health, NIAID Allergy Statistics 2005 http://www.ninaid.nih.gov/factsheets/allergystat.htm
  2. ^ National Report of the Expert Panel on Food Allergy Research, NIH-NIAID 2003 http://www3.ninaid.nih.gov/about/organization/dait/PDF/june30_2003.pdf
  3. ^ Birmingham NP, Parvataneni S, Hassan HM, et al. (2007). "An adjuvant-free mouse model of tree nut allergy using hazelnut as a model tree nut". Int. Arch. Allergy Immunol. 144 (3): 203–10. doi:10.1159/000103993. PMID 17570928. http://content.karger.com/produktedb/produkte.asp?typ=fulltext&file=000103993.  

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