Put it on the cracks 3 times a day. If the crack seems mildly infected, use an antibiotic ointment instead (such as Polysporin). No prescription is needed. Put it on the cracks 3 times a day. Covering ...

Use an antibiotic ointment (such as Polysporin). No prescription is needed. Then, cover with a bandage. This helps to reduce the risk of infection. Re-wash the wound and put on antibiotic ointment ...