Uncontrolled diabetes can damage blood vessels, especially in the feet. When blood vessels get blocked, nerves in the feet begin to die. When this happens, a feeling of “pins and needles”, pain or numbness results.
Numbness may not sound like a bad thing, but it can be very dangerous. Pain lets us know when we’re getting hurt. If there isn’t any pain, we assume that everything is ok. We keep stepping on the nail, or wearing the shoes that don’t fit, or holding our feet too close to the fire. We can get an injury that goes from bad to worse without even knowing something is wrong.
A loss of circulation in the feet can also make it hard or impossible for the feet to heal from an injury. When an injury can’t heal, the wound is much more likely to get infected.