Eczema, which is also known as dermatitis, is a term for different types of swollen skin rashes. Common types of eczema include atopic dermatitis, allergic contact dermatitis, irritant contact ...
Hives are an itchy skin rash ... the more common rashes — like hives or a measles-like rash — those aren't necessarily "anything scary or concerning," he adds. "They're just types of rashes ...