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Complications
By Mayo Clinic staffHaving 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.
References
- Frequently asked questions. American College of Allergy, Asthma & Immunology. http://www.acaai.org/patients/faq/Pages/default.aspx. Accessed Nov. 3, 2010.
- Tips to remember: What is an allergic reaction? American Academy of Allergy, Asthma & Immunology. http://www.aaaai.org/patients/publicedmat/tips/whatisallergicreaction.stm. Accessed Nov. 3, 2010.
- Wayt TM. Anaphylaxis. In: Ferri FF. Ferri's Clinical Advisor 2011: Instant Diagnosis and Treatment. Philadelphia, Pa.: Mosby Elsevier; 2011. http://www.mdconsult.com/books/page.do?sid=1079270789&eid=4-u1.0-B978-0-323-05610-6..00010-X--sc0170&isbn=978-0-323-05610-6&type=bookPage§ionEid=4-u1.0-B978-0-323-05610-6..00010-X--sc0170&uniqId=225503130-3. Accessed Nov. 3, 2010.
- Atkins D, et al. Diagnosis of allergic disease. In: Kliegman RM, et al. Nelson Textbook of Pediatrics. 18th ed. Philadelphia, Pa.: Saunders Elsevier; 2007. http://www.mdconsult.com/das/book/body/224902915-6/0/1608/434.html?tocnode=54478103&fromURL=434.html#4-u1.0-B978-1-4160-2450-7..50142-0_3366. Accessed Nov. 3, 2010.
- Tips to remember: Allergy shots. American Academy of Allergy, Asthma & Immunology. http://www.aaaai.org/patients/publicedmat/tips/whatareallergyshots.stm. Accessed Nov. 3, 2010. Accessed Nov. 3, 2010.
- Tips to remember: Asthma and allergy medications. American Academy of Allergy, Asthma & Immunology. http://www.aaaai.org/patients/publicedmat/tips/asthmaallergymedications.stm. Accessed Nov. 3, 2010.
- Allergy. Mitchell G, et al. In: Rakel RE. Rakel: Textbook of Family Medicine. Philadelphia, Pa.: Saunders Elsevier; 2007. http://www.mdconsult.com/das/book/body/225194068-12/1078164908/1481/288.html#4-u1.0-B978-1-4160-2467-5..50028-2--cesec19_1317. Accessed Nov. 3, 2010.
- Engler RJ, et al. Complementary and alternative medicine for the allergist-immunologist: Where do I start? The Journal of Allergy and Clinical Immunology. 2009;123:309.
- DeShazo RD, et al. Pharmacotherapy of allergic rhinitis. http://www.uptodate.com/home/index.html. Accessed Nov. 3, 2010.
- Li JT (expert opinion). Mayo Clinic, Rochester, Minn. Nov. 16, 2010.
- Naegleria FAQs. Centers for Disease Control and Prevention. http://www.cdc.gov/parasites/naegleria/faqs.html. Accessed Dec. 30, 2011.
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