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Peanut Allergy

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by Shah PS

(Allergy, Peanut; Nut Allergy; Allergy, Nut)

 

Causes

Coming in contact with peanuts can occur by:
  • Eating peanuts, foods containing them, or foods that came in contact with them
  • Touching peanuts
  • Inhaling particles containing peanuts (eg, peanut flour)
 

Risk Factors

Risk factors include:
  • Age— Food allergies , like peanut allergy, are common in children.
  • Having other allergies (eg, other food allergies, hay fever )
  • Personal or family history of allergies
  • Atopic dermatitis (chronic inflammation of the outer layers of the skin)
 

Symptoms

Symptoms may include:
  • Hives (redness or swelling of the skin)
  • Itching or tingling of the mouth and throat
  • Diarrhea
  • Stomach cramps
  • Nausea
  • Vomiting
  • Shortness of breath or wheezing
  • Chest tightness
  • Runny or stuffy nose
Hives
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Symptoms that may be a sign of a very serious allergic reaction ( anaphylaxis ) may include:
  • Closing of airways or swelling of throat (making it very hard to breathe)
  • Severe drop in blood pressure
  • Very fast pulse
  • Dizziness
  • Lightheadedness
  • Loss of consciousness
If you have a serious allergic reaction or are with someone who does, call 911 right away or go directly to the hospital’s emergency room.
 

RESOURCES

American Academy of Allergy, Asthma, and Immunology
http://www.aaaai.org/

Food Allergy and Anaphylaxis Network
http://www.foodallergy.org/

 

CANADIAN RESOURCES

Allergy Asthma Information Association
http://aaia.ca/

Calgary Allergy Network
http://www.calgaryallergy.ca/

 

References


Lee CW, Sheffer AL. Peanut allergy. Allergy Asthma Proc. 2003;24(4):259-264.


Mayo Clinic Staff. Peanut allergy. Mayo Clinic website. Available at: http://www.mayoclinic.com/health/peanut-allergy/DS00710 . Updated August 23, 2010. Accessed August 24, 2011.


Nut and peanut allergy. KidsHealth website. Available at: http://kidshealth.org/kid/stay%5Fhealthy/food/nut%5Fallergy.html# . Updated August 2008. Accessed August 24, 2011.


Peanut allergy. American College of Allergy, Asthma, and Immunology website. Available at: http://www.acaai.org/allergist/allergies/Types/food-allergies/types/Pages/peanut-allergy.aspx . Accessed August 24, 2011.


Peanut allergy. Asthma and Allergy Foundation of America website. Available at: http://www.aafa.org/display.cfm?id=9&sub=20&cont=517 . Updated 2005. Accessed August 24, 2011.


Peanut allergy. The Food Allergy and Anaphylaxis Network website. Available at: http://www.foodallergy.org/page/peanut-allergy . Updated August 18, 2011. Accessed August 24, 2011.


1/2/2014 DynaMed's Systematic Literature Surveillance http://www.ebscohost.com/dynamed: Frazier A, Camargo C, et al. Prospective study of peripregnancy consumption of peanuts or tree nuts by mothers and the risk of peanut or tree nut allergy in their offspring. JAMA Pediatr. 2013 Dec 23.

 

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