The terms eczema or ‘dermatitis’ are used to describe certain kinds of inflamed skin conditions. Eczema can be red, blistering, oozing, scaly, brownish, or thickened skin and usually itches. A rash is any kind of spots that erupt on the skin, usually temporary, and can be painless, itchy, burning, etc.  Both eczema and rashes can be caused by a variety of factors.  See your dermatologist for diagnosis and a variety of successful treatment options.