DEAR DR. ROACH: I have a diabetic nonhealing ulcer on my right heel. I was told that the blood circulation in my foot isn’t very good, which is why the ulcer isn’t healing.Five years ago, I had a nonhealing ulcer in my left heel.It got infected, and the infection went into my heel bone. After several months, I agreed to an amputation. But this time, I was pres...
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