Dr. Jones answers the question: 'What Do Skin, RAST Test Results Mean?' — -- Question: What do positive and negative skin or RAST tests mean? Answer: In order to diagnose a child or an adult with ...

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. For people who experienced an allergic reaction to their first mRNA COVID-19 vaccine, skin testing ...

Dr. Adkinson answers the question: 'Tests To Determine A Drug Allergy?' — -- Question: What tests are used to determine if I have a drug allergy? Answer: First of all, the most important test of ...

Skin allergies are common and often frustrating to diagnose. But new technology could soon help change that. Dr. Alison Bruce, a dermatologist at the Mayo Clinic, is helping to develop an artificial ...

Imagine this: You're at your doctor's office with a sore throat. The nurse asks, "Any allergies?" And without hesitation you reply, "Penicillin." It's something you've said for years – maybe since ...