A mask of clean honey worked like a charm for my dog's hot spot. The skin was so red and irritated by the time I cut my dog's cheek hair that I broke the skin and she was bleeding. In despair I slathered on a "mask" of honey on the area. It scab bed up the next day and came off during her next pond romp. Good old Nature!
I have little faith in vets and I try to find things that work and have some luck - manuka honey is really good as antibiotic internally and externally for animals and they like it. Chamomile teabag soak for any eye problems. These are 2 tried and trusted ones for me.