Atopic Dermatitis, which people often call eczema is figured out by doctors who look really closely at your skin. They check for itchy spots, red spots and irritated spots. Doctors who specialize in skin called dermatologists look at how your symptoms happen, your family history, any allergies you have that make your symptoms worse. Where the bad spots are on your skin. This helps them tell if you have eczema or something else like psoriasis, an infection or another skin problem. It also helps them see how bad your eczema is and what treatment will work best for you.