Allergy Cockroach Fluorescence Assay Blood

The most well-known species are: the American cockroach, Periplaneta americana, German cockroach, Blattella germanica, and the Asian cockroach, Blattella asahinai. Tropical cockroaches are often much bigger. Extinct cockroaches such as the Carboniferous Archimylacris and the Permian Apthoroblattina were several times larger. Skin testing is the oldest and most reliable form of allergy testing. This form of testing has been performed for 100 years and continues to be the testing of choice for the diagnosis of allergic disease. Testing begins with a prick, puncture or scratch method, which involves the placing a drop of the allergen in question usually a commercially available extract of pollens, molds, foods, pet dander, etc on the skin and abrading the skin with a needle. This testing is not painful, and generally, there is no bleeding involved since the needle only scratches the surface of the skin. After the skin is scratched, the tests take about 15 minutes to develop. There may be many skin tests performed, depending on the person