The specific IgE (or sIgE) test and the enzyme-linked immunosorbent assay (ELISA) test detect specific antibodies to allergens and are most commonly used to diagnose allergies. In both, a small amount of blood is taken and analyzed for IgE antibodies (allergic antibodies) to specific antigens.
By Dr. Amy Wechsler
Consider it the worst type of fashion blunder: Your favorite items could be at fault for otherwise-unexplained breakouts and rashes. See how your duds measure up.
Metal Awareness: If you’ve ever noticed an itchy, red rash on your earlobes, the nickel in your everyday earrings could be the culprit; nickel can cause flare-ups in people with metal allergies. Like other skin sensitivities, a nickel allergy can develop over the years, and you should know that this metal...