Against the popular belief there are several different types of eczema, depending on the age of the person and causes or triggers of the problem. Here is an article explaining the types of eczema and the causes of it.
Most people think of atopic dermatitis as the only type of eczema that people can suffer with. This is the standard stereotypical Eczema we all know of.
In any case improving your diet by eliminating processed foods and adding fresh fruits and vegetables will improve many skin problems.