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Tests and diagnosis
By Mayo Clinic staff
Your doctor will want to know your signs and symptoms and may want to conduct a physical examination to identify or exclude other medical problems. Your doctor may also recommend one or more skin or blood tests to see if you have an allergy that can be identified. These include:
- Skin prick test. This test uses diluted amounts of common or suspected allergens, such as molds found in the local area. During the test, these substances are applied to the skin in your arm or back with tiny punctures. If you're allergic, you develop a raised bump (hive) at the test location on your skin.
- Blood test. A blood test (sometimes called the radioallergosorbent test, or RAST) can measure your immune system's response to mold by measuring the amount of certain 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 specific types of mold.
References
- Storey E, et al. Guidance for clinicians on the recognition and management of health effects related to mold exposure and moisture indoors. The Center for Indoor Environments and Health. http://oehc.uchc.edu/images/PDFs/MOLD%20GUIDE.pdf. Accessed June 8, 2010.
- Mold allergy. Asthma and Allergy Foundation of America. http://www.aafa.org/display.cfm?id=8&sub=15&cont=58. Accessed June 7, 2010.
- Basic facts: Molds in the environment. U.S. Centers for Disease Control and Prevention. http://cdc.gov/mold/faqs.htm. Accessed June 7, 2010.
- A brief guide to mold, moisture and your home. Environmental Protection Agency. http://www.epa.gov/mold/moldguide.html. Accessed June 7, 2010.
- Atopic and allergic disorders. The Merck Manuals: The Merck Manual for Healthcare Professionals. http://www.merck.com/mmpe/print/sec13/ch165/ch165c.html. Accessed June 9, 2010.
- Weber RW. Allergic Rhinitis. Primary Care Clinics in Office Practice. 2008;35:1.
- Tips to remember: Allergy and asthma medications. American Academy of Allergy, Asthma and Immunology. http://www.aaaai.org/patients/publicedmat/tips/asthmaallergymedications.stm. Accessed June 9, 2010.
- Seltzer JM, et al. Health effects of mold in children. Pediatric Clinics of North America. 2007;54:309.
- Saline sinus rinse recipe. American Academy of Allergy, Asthma and Immunology. http://www.aaaai.org/patients/publicedmat/sinusitis/rinse_recipe.pdf. Accessed June 9, 2010.
- Li JT (expert opinion). Mayo Clinic, Rochester, Minn. June 21, 2010.
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