Inverse pityriasis rosea usually causes a rash on the armpits ... Pityriasis rosea usually develops on the chest, back, or abdomen. Instead, inverse pityriasis rosea affects the armpits or ...
A stress rash is characterized by hives or welts on the skin. While they usually appear on the face, neck, chest, and arms, the bumps can break out anywhere including on the thighs. It's not ...