What is the distinction between the dermatitis, and impetigo?

Some newer advanced impetigo Critique: situation of : What is the distinction among the dermatitis and impetigo I went to the physicians these days since I have blister like bumps in my ear, and it is really dry, but painful to touch. There are some yellow crusty golden crusts on it. My side of my neck is swollen, I feel, in the ear infection. Ive had this ahead of, except in a various location in my ear, and it was dermatitis, is now my new doctor says his impetigo? But I'm positive his

Itching Urticarial Rash