Rash Any ideas on what is wrong with my dogs skin?

skin problems on lupus rash: issue blowing : Any ideas on what is wrong with my dogs skin Hi, I have a 3 year old German Shepherd mix who has terrible skin problems. It has red spots. With dead cells on the edges, which slowly dissolves and becomes red patches These are very irritating and cover the whole body, it is difficult to lose (not sure if this is only because of the excess scratches and bites), and is down lately. We spent $ 1000 + vet and they still have no answer as to what is

Itching Urticarial Rash