Hold the ice pack against the injured area. Compression decreases swelling. Wrap an elastic bandage on an injured limb, make it snug but loose enough to stick one finger between the bandage and the skin. Elevation decreases pain and swelling. Place a pillow under the affected limb so that it's elevated approximately 6 inches.
Support helps immobilize the limb and reduces pain.
Splint the affected limb or, if you suspect a broken arm, rib, or collar bone, use a cloth or diaper sling to hold an arm in a bent position next to the body. Use whatever is on hand to create a simple splint. For example, you can use a ruler, paper towel roll, small firm pillow, coloring book or any other straight, firm object. Make sure the splint is slightly longer than the bone and joint you're supporting. For a fractured collarbone, place the arm on the injured side in a sling, bring the sling around the shoulder on the opposite side, and tie it around the neck.