PHILADELPHIA (AP) -- Hundreds of youngsters in at least seven states have broken out in a mysterious rash, and some health investigators suspect it might be caused by a new or yet-to-be-identified ...

Whether your rash is itchy, bumpy, red or blistering, it's important to know what's causing it — and how serious it is. But with so many types of skin rashes, it can be tough even for dermatologists ...

More information has emerged about “COVID arm” — a delayed arm rash appearing after Moderna’s COVID-19 vaccine is administered — including likelihood, duration and treatment. Researchers examined 16 ...

Three nurses sit in the Marsteller Middle School library, taking the temperature of dozens of students complaining of a red, itchy rash on their arms, legs, chests or backs. A steady trickle of ...