We have a 2 year old Airedale Terrier names McKenzie. She has developed a a bald open sore on the inside if her back leg and keeps scratching it. I looked on the internet and it looks like a hotspot. I have taken her to the vet 2 times and the doctor is calling it dermatitis. He has given her 2 shots, 3 antibiotics and nothing is working. We are using a e-collar now and it is starting to get a scab. As soon as I take the e-collar off she tries to scratch it all over again. What can I do? Has anyone with Airedales had this problem before? Please help.