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Cast and Splint Care Tips - Topic Overview

When you first get your cast or splint

Your doctor has applied a cast or splint to protect a broken bone or injury. If you have a removable splint, follow your doctor's instructions and only remove the splint if he or she says you can. If you have a cast, follow your doctor's instructions for when you can first put pressure on the cast. Fiberglass casts dry quickly, but plaster casts may take several days before they are hard enough to use. Once your cast can be used, don't put excessive weight on it for long periods of time without rest.

A brace with a built-in air cushion is ready to use right away. It is made of either hard or soft plastic and inflatable air pads. The plastic is fitted around the injured area and often held in place with straps. Then the air pads are inflated to firmly hold the injury in place.

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Never cut or modify your cast or splint or use powder on the skin under the cast. Keep dirt and sand from getting into the cast.

Swelling

Your cast or splint may feel tight for a few days after your surgery or injury. This is usually because of swelling. To reduce the swelling by raising the injured arm or leg above your heart as often as possible during the first 72 hours after you get your cast or splint. You may need to lie down, and it helps to use a pillow to prop up the arm or leg and to cushion it from hard surfaces.

Put ice in a plastic bag, wrap it in a towel, and place it over the injured area. If you have a plaster cast, do not get the cast wet or damp. Ice the area several times a day for about 15 minutes at a time.

Taking nonsteroidal anti-inflammatory drugs (NSAIDs) can help reduce pain and inflammation. Wiggle your uninjured fingers or toes as much as possible. Be sure to follow the medicine precautions on the bottle or box.

Call your doctor immediately if:

  • You can't move your fingers or toes.
  • You have severe pain or increased pain that you think is from swelling, and your cast or splint feels too tight.
  • Your hand or foot feels numb or tingles.
  • You have a lot of swelling below your cast or splint.
  • The skin under your cast or splint is burning or stinging.

It's also important to keep up your muscle strength and tone as much as possible while protecting your injured limb or joint. Your doctor may want you to tense and relax the muscles protected by the cast or splint. Check with your doctor or physical therapist for instructions.

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WebMD Medical Reference from Healthwise

Last Updated: June 27, 2012
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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