I have blister like spots on my legs. They itch badly. After scratching they leave a big round hole in my leg, bleed badly and then scab over and become very red around the scab. If I remove the scab they bleed for a minute or so. The skin under the scab is very raw looking. I am diabetic and this has been going on for almost a year now and the Dr. seems unconcerned. Just tells me it is caused by my diabetes being out of control and put antibiotic ointment on it from otc. I find this hard to believe that it can go on a year and the Dr just shrug it off.