What skin infection does my dog have?

Asked: What skin infection does my dog have?I have an English bulldog who is 6 months old, who currently has some sort of skin infection that at the moment I (nor the vet) can figure out. Currently the infection (on his thigh) is about half the size of golf ball and is in a circular shape. It started off small but keeps getting bigger. I noticed it first when he started losing hair. This occurred when he was going through allergies and would break out in hives all over his body. This happened

Train Your Dog Now ...