The rash can affect any part of the body, for example the underarm area, between fingers and around the wrist, the inside of the elbow, buttocks, lower legs, knees, shoulder blades, the groin ...

"It's characterized by a dry, itchy, and sometimes scaly rash that commonly appears on the face, the backs of the knees, and the wrists." It can also show up on the neck, ankles, or in areas that bend ...