Blood tests for allergies are sometimes performed to find out what triggers an allergic reaction and are often used if a patient has a skin condition or is taking medications, such as antihistamines. Such medications can interfere with an allergy skin test, which is a common test used to identify allergy triggers, but in general do not interfere with allergy blood tests. However, there are disadvantages to each test which should be discussed with your health care provider.
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.
Every fall, you're suddenly sneezing, coughing. Could it be fall
It's certainly a possibility. Ragweed blooms profusely this time of year.
Those lovely, falling leaves become moldy, rotting vegetation after they hit
the ground. And no surprise it turns out many people are sensitive to both
ragweed pollen and mold.
Dust mites can also trigger fall allergy symptoms. Although
they're present year-round, dust mites are stirred up by dirty ventilation
systems. When you turn on your...