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Taylor Adlam, MD
Aaron S. Cetner, MD, FAAD, FACMS
Leonard M. Cetner, MD, FAAD
Michael A. Dorman, MD, FAAD
Lauren Hickman, Esthetician
Lindsay Holston, Esthetician
Maria Kalasho, PA-C
Stacy Kato Madany, PA-C
Andrea Kuhlman, Esthetician
Leonard Y. Kerwin, MD, FAAD, FACMS
Ronald D. Kerwin, MD
Dayoung Ko, MD
Lauren Law, DO
Suzanne R. Merkle, MD, FAAD
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Phoebe Mularoni, PA-C
Savannah Sagmani, Esthetician
Erin Simmerman, NP-C
Jessica Tacconelli, PA-C
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Taylor Adlam, MD Aaron S. Cetner, MD, FAAD, FACMS Leonard M. Cetner, MD, FAAD Michael A. Dorman, MD, FAAD Lauren Hickman, Esthetician Lindsay Holston, Esthetician Maria Kalasho, PA-C Stacy Kato Madany, PA-C Andrea Kuhlman, Esthetician Leonard Y. Kerwin, MD, FAAD, FACMS Ronald D. Kerwin, MD Dayoung Ko, MD Lauren Law, DO Suzanne R. Merkle, MD, FAAD Amy Morrow, Esthetician Phoebe Mularoni, PA-C Savannah Sagmani, Esthetician Erin Simmerman, NP-C Jessica Tacconelli, PA-C View All  
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Patch Testing

A skin test used to identify the cause of an allergic reaction.

What is it?

A patch test is a diagnostic procedure used to identify allergic reactions or sensitivities to specific substances. If you have an allergic reaction to something - the environment, air, materials or substances - and it’s causing a rash or itchiness, we recommend coming in for a patch test.  It’s important to note that patch testing differs from a skin-prick test, where we check for an immediate reaction. Skin allergies usually develop in hours or days, so a patch test checks for this specific type of delayed reaction.


What to expect

Once in our office, one of our expert dermatologists at Associated Dermatologists will provide you with an overview of the procedure. From there, small amounts of allergens — that “thing or things” causing your reaction — will be placed on your skin, and we’ll cover each with a patch. These patches will remain on your skin for 48 hours after application. These patches may cause itching and discomfort, but removing them (or wetting or loosening them) will yield inaccurate results. Once 48 hours have passed, we’ll have you return to our office, and we’ll remove and evaluate the skin under the patches. This follow-up visit allows us to pinpoint the cause of the reaction. From there, we create a treatment plan, which may include oral or topical medication(s), an antihistamine, a decongestant, eye drops or nasal corticosteroids. 


We may ask that you return to our office for a follow-up appointment to ensure we've identified and rectified your allergic reaction.   If you are experiencing what you believe are allergic skin reactions, Associated Dermatologists is here to help you through the entire process. Schedule your appointment with one of our board-certified dermatologists in Berkley, Farmington Hills, West Bloomfield, Commerce, and Novi, Michigan to treat your allergic reactions effectively.


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