A Broken Wrist: How to Care for Your Child

The wrist is where the bones in the hand meet the two forearm bones (the radius and the ulna). Your child has a fracture in both the radius and ulna bones at the end where they join the wrist.

The healthcare provider put a splint on your child’s wrist. A splint is a support that helps protect a broken bone and keeps it from moving while it heals.

In a few days, an orthopedic specialist (bone doctor) will replace the splint with a cast. Your child will need to wear the cast for at least four weeks. Most wrist fractures heal well when the wrist is protected and follow-up care instructions are followed carefully. Rarely, other treatments are needed.

Care Instructions

Follow your healthcare provider's instructions for:

  • Whether your child can remove the splint for bathing and sleeping
  • Any activities your child needs to avoid
  • When to follow up with the orthopedic specialist

For pain and swelling:

  • Prop up the wrist on pillows when your child is sitting down or sleeping. 
  • Remind your child to wiggle the fingers and the thumb to keep blood circulating normally.
  • When your child is awake, put ice in a plastic bag wrapped in a towel on the wrist for 20 minutes every three hours for up to two days. Don't put ice directly on the skin.
  • If the healthcare provider said it’s OK, you can give medicine such as acetaminophen (Tylenol® or a store brand) or ibuprofen (Advil®, Motrin®, or a store brand). Follow the package directions for how much to give and how often.

Daily care for the splint:

  • Don't remove or change the position of the splint unless the healthcare provider said it's OK.
  • Check the area around the splint. Make sure the skin isn't scratched, and the thumb and fingers aren't pale, blue, numb, or tingling.
  • Make sure your child doesn't pick at or scratch under the splint.
  • Don't put anything in the splint. Make sure your child doesn't put toys, food, or anything else into it.
  • Keep dirt, sand, lotion, and powder away from the splint.

Keep the splint dry:

  • No swimming.
  • Younger children can get a sponge bath. For regular baths or showers, you can cover the splint with:
    • Two plastic bags sealed at the top with a rubber band (or tape)
    • Plastic wrap covered with a plastic bag that is sealed at the top
    • A waterproof cast protector
  • If the splint gets splashed, blow air into it from a hair dryer on the cool setting.

  • Blisters, rashes, or raw spots appear on the skin around the splint.
  • Your child's pain isn't helped by pain medicine.
  • The fingers become very swollen.
  • The splint is too loose or too tight.
  • The splint gets wet, is damaged, or has a foul odor.

Go to the ER if...

Your child can't move the fingers, or the fingers turn white, purple, or blue.

More to Know

What are the radius and ulna bones? They are the bones in the lower arm. The ulna is on the little finger (pinkie) side. The radius is on the thumb side.

What causes wrist fractures? Often, wrist fractures happen when kids hold out their arms to stop a fall. The pressure on the bone causes it to crack, usually at the end near the wrist.

What is the difference between a splint and a cast? Both support and protect the broken bone while it heals. In a cast, the hard part goes all the way around the arm. But in a splint, the hard part only goes partway around the arm (this allows space for swelling). The splint is held in place with an elastic bandage or Velcro® straps.

Learn More