Contact dermatitis rashes often appear in a linear pattern and they can blister ... The rashes may be itchy, red and raised ovals, the AAD says, and there may be multiple patches that eventually ...

"Typically, patients will get these red plaques with silvery scales ... Lipner says. These rashes "tend to be very linear and they can blister," she adds. In both cases, you'll only see the ...

It can be distressing to wake up with a mysterious swollen red rash on your ankle. Could that rash be an insect bite? And what kind of bug bit you? The answers aren't so easy to figure out.