An ulcer looks like an open wound and can occur between your toes, particularly in cold weather. It is often mistaken for a corn and can sometimes appear under a corn. It is in general more painful than a corn and should be taken seriously. If there is a corn on top of the ulcer this needs to be removed to reduce the pressure, then we will use the laser to stimulate healing (and of course apply antiseptic and a sterile dressing). The laser is most effective if used 24 hours apart for the first two treatments then 3 days later. Once the ulcer has healed you will have to wear a removable silicone protector over it to prevent a recurrence of the problem.