Aug 13, · children are more likely than adults to experience a rash round, bright red rash on the cheeks lacy-patterned rash on the arms, legs, and upper body . Sep 23, · A sudden spread of purplish rash over the body may be a sign of infection by deadly germs or inflammation of blood vessels (vasculitis). A rash that looks like large red or purple spots under the skin may be due to the failure of the blood clotting mechanism. Such a rash is called a purpuric rash.
The rash is all over your body. A rash that covers the body could indicate something concerning, such as an infection or allergic reaction. You have a fever with the rash. If . Sep 28, · One of the most common skin disorders that causes a rash is atopic dermatitis (ay-TOP-ik dur-muh-TI-tis), also known as eczema. Atopic dermatitis is an ongoing (chronic) condition that makes skin red and itchy. Most often it appears as patches on .