I'm new to this forum so hello. My dog's name is Brian, and my boyfriend and I adopted him just over 2 years ago. He is an Australian Sheppard mixed with another type of dog that they weren't sure of. About a month ago he started to bite at one spot on his lower hind leg. Now it is a bald spot. However for the past week he has been biting at a spot near his stub tail. He then ripped all the hair out in that area by his tail. We shaved him today to see the area closer and it appears to be a rash. He has all of these red bumps or rash like skin irritation. His tail also has a few big red bumps, like pimples. After shaving him it appears to be a rash but he is so irritated that he randomly gets up and runs away from something that he thinks is touching the area.
Finally, I have been giving him a half a low dose benedryl twice a day along with an organic medicine for itching. We have also put any itch cream for dogs on the spot which gives him temporary relief.
Any help is appreciated, thanks so much.