11 Foods That Soothe a Sore Throat Many fruits, vegetables, and herbs are capable of saving the day with their antioxidant-rich powers and can sometimes help you avoid that trip to the doctor. iStock/Thinkstock
RAST stands for radioallergosorbent test. This is a blood test used to diagnose allergies. Your blood is drawn and a lab will analyze your blood sample for the level of antibodies that cause allergies.
Hay Fever Testing. We try initially to identify the allergen involved by taking a good allergy history and doing a thorough examination of the nose. We then try to confirm the cause of the allergy by Skin Scratch Testing or with blood tests such as specific IgE or Cap RAST testing.