What Is a Heel Callus?
A heel callus is thickened skin tissue, usually caused by repetitive, excessive friction. It’s your skin’s attempt to protect itself. The problem with this phenomenon is that the extra tissue produces more friction, worsening the condition.
Diabetes often causes calluses due to the changes in skin tissues and lack of sensation caused by nerve damage. Normally, a callus will begin to hurt with continued walking, to the point that you’ll seek medical attention. But if you cannot feel the pain and continue to put weight on a callus, the tissue will ulcerate. If you notice any signs of redness or blistering in your callus, contact a podiatrist.