What does an allergy rash look like? An allergy rash typically causes intensely itchy, red, and swollen skin. You may develop blisters that ooze and crust, hives, and raw skin from scratching.

or gray on dark skin tones. These sores quickly grow into blisters that may ooze, burst, and then form a yellowish crust. The clusters of blisters may expand to cover more of your skin.

The crust of the earth is thin - a bit like the skin of an apple.The crust is made from solid rock in the form of tectonic plates. Tectonic plates float on the semi-solid mantle, which moves very ...