Now, your cast may have cuts or cracks in it when it's put on. Doctors sometimes make tiny cuts in the side. This allows room for possible swelling. Many times your body will swell near the broken bone. This is the body's way of healing itself. The liquid under your skin protects the broken bone from further injury. But, your cast may also develop cracks on its own. This happens if it has been hit or crushed. Or it may have a weak spot. Your skin may swell underneath, too. If the doctor did not make a cut on the outside, the swelling may crack it. If you see a new crack, tell someone right away. You may have to see your doctor.
Fourth, watch your skin color around the cast. You may see your fingers or toes turning purple or blue.
