How to Keep a Full Arm Bandage Dry During a Shower

Written by jessica barnhart
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How to Keep a Full Arm Bandage Dry During a Shower
Arm casts need to stay dry. (broken wrist image by askthegeek from

Having a sprain or broken bone is difficult enough without having to worry about keeping the bandages dry. Doctors want the arm immobile and will not want to rewrap it if at all possible. That is why it is important to keep the bandages dry at all times. If water gets in a bandage, it will mould the fabric and smell. It will also cause irritation of the skin under the cast. Following simple steps at home will ensure that the bandages will remain dry and the arm stays healthy.

Skill level:
Moderately Easy

Things you need

  • Trash bag (13 gallon size)
  • Compression bandage
  • Duct tape

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  1. 1

    Put the bandaged arm in the trash bag. It should cover it completely.

  2. 2

    Starting at the hand, begin wrapping the compression bandage around the arm over the trash bag. Cover the arm completely until you reach the shoulder.

  3. 3

    Secure the end of the compression bandage with duct tape. Wrap the tape around the top of the compression bandage at the shoulder. Make sure the trash bag is completely covered and the duct tape seal is water tight.

Tips and warnings

  • Wrap your hair up in a towel after the shower so that it does not drip on the bandages.
  • Have someone help you wrap the compression bandage around the bandage if necessary.
  • Be careful not to wrap the compression bandage too tight or it will restrict blood flow to the arm.

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