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Complications

By Mayo Clinic staff

Having an allergy increases your risk of certain other medical problems, including:

  • Anaphylaxis. If you have severe allergies, you're at increased risk of this serious allergy-induced reaction. Anaphylaxis is most commonly associated with food allergy, penicillin allergy and allergy to insect venom.
  • Another allergy. Having one type of allergy also increases your risk of becoming allergic to something else.
  • Asthma. If you have an allergy, you're more likely to have asthma — an immune system reaction that affects the airways and breathing. In many cases, asthma is triggered by exposure to an allergen in the environment (allergy-induced asthma).
  • Atopic dermatitis (eczema), sinusitis, and infections of the ears or lungs. Your risk of getting these conditions is higher if you have hay fever, a pet allergy or a mold allergy.
  • Fungal complications of your sinuses or your lungs. You're at increased risk of getting these conditions, known as allergic fungal sinusitis and allergic bronchopulmonary aspergillosis, if you're allergic to mold.
Preparing for your appointment Risk factors
References
  1. Allergy overview. Asthma and Allergy Foundation of America. http://aafa.org/display.cfm?id=9. Accessed Oct. 25, 2012.
  2. Allergies. American Academy of Allergy, Asthma and Immunology. http://www.aaaai.org/conditions-and-treatments/allergies.aspx. Accessed Oct. 25, 2012.
  3. Allergic reactions: Tips to remember. American Academy of Allergy, Asthma and Immunology. http://www.aaaai.org/conditions-and-treatments/library/at-a-glance/allergic-reactions.aspx. Accessed Oct. 1, 2012.
  4. Pichler WJ. Drug allergy: Classification and clinical features. www.uptodate.com/index. Accessed Oct. 26, 2012.
  5. Bope ET, et al. Conn's Current Therapy. Philadelphia, Pa.: Saunders Elsevier; 2012. http://www.mdconsult.com/books/about.do?eid=4-u1.0-B978-1-4377-0986-5..C2009-0-38984-9--TOP&isbn=978-1-4377-0986-5&about=true&uniqId=236797353-5. Accessed Oct. 25, 2012.
  6. Longo DL, et al. Harrison's Online. 18th ed. New York, N.Y.: The McGraw-Hill Companies; 2012. http://www.accessmedicine.com/resourceTOC.aspx?resourceID=4. Accessed Oct. 25, 2012.
  7. Anaphylaxis: Tips to remember. American Academy of Allergy, Asthma and Immunology. http://www.aaaai.org/conditions-and-treatments/library/allergy-library/anaphylaxis.aspx. Accessed Oct. 25, 2012.
  8. Frequently asked questions. American College of Allergy, Asthma & Immunology. http://www.acaai.org/patients/faq/Pages/default.aspx . Accessed Oct. 25, 2012.
  9. Kim H, et al. Anaphylaxis. Allergy, Asthma and Clinical Immunology. 2011;7(suppl):S6.
  10. Kliegman RM, et al. Nelson Textbook of Pediatrics. 19th ed. Philadelphia, Pa.: Saunders Elsevier; 2011. http://www.mdconsult.com/das/book/body/208746819-6/0/1608/0.html. Accessed Oct. 26, 2012.
  11. Food allergies. Asthma and Allergy Foundation of America. http://www.aafa.org/display.cfm?id=9&sub=20&cont=286. Accessed Oct. 26, 2012.
  12. Is rinsing your sinuses safe? U.S. Food and Drug Administration. http://www.fda.gov/ForConsumers/ConsumerUpdates/ucm316375.htm. Accessed Oct. 26, 2012.
  13. Indoor air quality and allergies. Asthma and Allergy Foundation of America. http://www.aafa.org/print.cfm?id=9&sub=18&cont=233. Accessed Oct. 26, 2012.
  14. Allergy. Natural Medicine Comprehensive Database. http://www.naturaldatabase.com. Accessed Oct. 26, 2012.
DS01118 Jan. 29, 2013

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