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.
Do any of these scenarios sound familiar?
You catch a whiff of a co-worker's new fragrance, and within minutes, you have a whopper of a headache.
You pop open that new bottle of dish-washing liquid, and by the time you've washed the pots and pans, your hands and arms are covered in hives.
You walk into a friend's home and smell freshly baked pumpkin pie. Only after you start sneezing uncontrollably and feeling dizzy, weak, and sick to your stomach do you learn she hasn't been baking --...