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 ...

When a blotchy red rash pops up on your skin, it's not easy to know exactly what the cause is. With thousands of skin diseases to choose from, deciphering your skin can be a challenge. But with skin ...

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 ...