Allergy Tests Information
An antigen tests is a process of taking a blood sample from a person with known allergic reactions and checking for the antibodies that cause those reactions. Allergy is often confused with food allergies. It is not the same, although they share some symptoms. A person with an allergy will usually have a skin rash, breathing problems, or swelling of the ears or mouth. Food allergies will usually produce the typical itchy watery eyes, sneezing, and hives.