The majority of the tests were so-called patch tests in which a drop of mustard agent or the arsenic-derived poison lewisite, was applied directly to the skin.
22.
Balsam of Peru, which is in various foods, is in the " top five " allergens most commonly causing patch test reactions in people referred to dermatology clinics.
23.
Application of the patch tests will take about half an hour, though many times the overall appointment time will be longer as the provider will take an extensive history.
24.
Beryllium sensitivity testing was first performed as a cutaneous beryllium patch test in the early 1950s but was discontinued due to the test stimulating sensitization or aggravating existing chronic beryllium disease.
25.
A positive patch test might not explain the present skin problem, since the test only indicates that the individual became allergic during encounters with that chemical at some point in their life.
26.
Various patch tests of " cis "-" p "-menthan-7-ol on human volunteers with concentrations of 10 %, 15 %, and 20 % produced irritation in one instance, and a " questionable " reaction in another.
27.
Patch testing is the " gold standard " diagnostic tool for Ni-ACD . In this sense, a positive patch test to nickel establishes that the subject has been previously exposed and is therefore sensitized to nickel.
28.
A 2009 study stated that patch test reactions reveal a slight irritant potential instead of a true allergic response in several cases, and also indicated the risk of skin sensitization to TEA seems to be very low.
29.
However, according to the MELISA Foundation the studies are flawed, mainly due to the incorrect selection of patients included as well as the use of patch test as a gold standard for the measurement of metal allergy.
30.
People who have had an allergic reaction to self-tanner should do a patch test first since Mystic Tan uses the same main ingredient, Dihydroxyacetone, or DHA, which reacts with the proteins in your skin to produce the tan.
