Medically reviewed by Corinne Savides Happel, MD Allergy immunotherapy is a long-term treatment for chronic allergies that ...

In general, a large wheal is more likely to indicate a true food allergy, but size is not always an accurate predictor. If no wheal appears, it is unlikely that you are allergic to the test food. SPTs ...

Here's how to relieve the itching and get steps on preventing hives and avoiding your triggers. As small as jujubes or as large as saucers, hives are an allergic reaction that take the form of itchy ...