Research also confirms utility of patch testing to discover allergens and finds patients satisfied with testing, yet they recall only half of their allergens
A new Mayo Clinic study reveals the most common causes of allergic contact dermatitis, a skin inflammation resulting in swollen, reddened and itchy skin due to direct contact with an allergen. Topping the list were:
This study, to be presented Monday at the American Academy of Dermatology annual meeting in San Francisco, confirmed that patch testing with a standard contact dermatitis series of substances is useful for identifying common contact allergens. Patch testing is conducted by placing potential allergens covered with patches on patients backs for two days and then observing which substances cause skin inflammation. The study confirmed previous findings by the North American Contact Dermatitis Group.
The researchers examined contact dermatitis testing results from 3,854 patients over a five-year period between Jan. 1, 2001 and Dec. 31, 2005. The patients were tested with an average of 69 allergens. Of these patients, 2,663 (69 percent) had at least one positive reaction, and 1,933 (50 percent) had two or more positive reactions.
Lisa Lucier | EurekAlert!
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