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Tests and diagnosis
By Mayo Clinic staff
Your doctor will ask detailed questions about your personal and family medical history, your signs and symptoms, and your usual way of treating them. Your doctor will also perform a physical examination to look for additional clues about the causes of your signs and symptoms. He or she may also recommend one or both of the following tests:
- Skin prick test. During skin testing, small amounts of material that can trigger allergies are pricked into the skin of your arm or upper back and you're observed for signs of an allergic reaction. If you're allergic, you develop a raised bump (hive) at the test location on your skin. Allergy specialists usually are best equipped to perform allergy skin tests.
- Allergy blood test. A blood test, sometimes called the radioallergosorbent test (RAST), can measure your immune system's response to a specific allergen. The test measures the amount of allergy-causing antibodies in your bloodstream, known as immunoglobulin E (IgE) antibodies. A blood sample is sent to a medical laboratory, where it can be tested for evidence of sensitivity to possible allergens.
References
- Allergic rhinitis (hay fever). American Academy of Allergy, Asthma and Immunology. http://www.acaai.org/allergist/allergies/types/rhinitis/Pages/default.aspx. Accessed March 30, 2012.
- McPhee SJ, et al. Current Medical Diagnosis & Treatment 2012. 51st ed. New York, N.Y.: The McGraw-Hill Companies; 2012. http://www.accessmedicine.com/content.aspx?aID=2356. Accessed April 1, 2012.
- Ferri FF. Ferri's Clinical Advisor 2012:5 Books in 1. Philadelphia, Pa.: Mosby Elsevier; 2012. http://www.mdconsult.com/books/about.do?about=true&eid=4-u1.0-B978-0-323-05611-3..C2009-0-38601-8--TOP&isbn=978-0-323-05611-3&uniqId=291436269-101. Accessed March 31, 2012.
- Longo DL, et al. Harrison's Online. 18th ed. New York, N.Y.: The McGraw-Hill Companies; 2012. http://www.accessmedicine.com/content.aspx?aID=9136197. Accessed April 1, 2012.
- Fact sheet: Allergic rhinitis (hay fever). American Academy of Otolaryngology — Head and Neck Surgery. http://www.entnet.org/HealthInformation/allergicRhinitis.cfm. Accessed March 30, 2012.
- Greiner AN, et al. Allergic rhinitis. The Lancet. 2011;378:2112.
- Allergies and hay fever. American Academy of Otolaryngology — Head and Neck Surgery. http://www.entnet.org/HealthInformation/allergiesHayFever.cfm. Accessed March 30, 2012.
- Rhinitis and sinusitis. Asthma and Allergy Foundation of America. http://www.aafa.org/display.cfm?id=9&sub=18&cont=239. Accessed March 30, 2012.
- Montelukast sodium. Micromedex Healthcare Series. http://www.micromedex.com. Accessed April 2, 2012.
- Naegleria FAQs. Centers for Disease Control and Prevention. http://www.cdc.gov/parasites/naegleria/faqs.html. Accessed Dec. 30, 2011.
- Man L. Complementary and alternative medicine for allergic rhinitis. Current Opinion in Otolaryngology and Head and Neck Surgery. 2009;17:226.
- Allergic rhinitis (hayfever). Natural Medicines Comprehensive Database. http://www.naturaldatabase.com. Accessed April 2, 2012.
- Li JT (expert opinion). Mayo Clinic, Rochester, Minn. April 3, 2012.
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