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Orthotix Advice Centre

How Do You Care for the Skin Around a Cast?

The skin beneath a cast is difficult to inspect, so protecting the visible edges and recognising warning signs is important. This guide covers practical cast-edge and skin care.
How Do You Care for the Skin Around a Cast?

Quick Answer

Keep the visible skin around a cast clean and dry, avoid pushing objects or creams underneath the cast, and check regularly for swelling, rubbing, colour change or broken skin. Mild itching can occur, but increasing pain, burning, discharge or a bad smell needs professional review.

How should the visible skin be kept?

Keep it clean and dry. Gently clean exposed skin without allowing water to run underneath the cast.

Can moisturiser be used around the cast?

Avoid applying creams or oils where they could run beneath the cast unless a clinician has advised otherwise.

What if the skin itches?

Do not insert pens, knitting needles or other objects underneath the cast. These can injure the skin or damage padding.

What should you check at the cast edge?

  • persistent redness;
  • rubbing or blisters;
  • skin becoming trapped against a rough edge;
  • swelling;
  • new tenderness.

What about fingers or toes?

Check colour, warmth, movement and sensation where possible. New numbness, persistent tingling or marked swelling needs attention.

Can padding be pulled out?

No. Removing or rearranging internal padding can create pressure areas and change how the cast supports the limb.

Why should the cast stay dry?

Moisture beneath the cast can soften skin, increase irritation and affect some cast materials.

Important: Increasing pain or new neurological or circulation symptoms should not be treated as normal cast discomfort. Contact the relevant clinical service.

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When Should You Seek Professional Advice?

Seek prompt advice for worsening pain, burning, numbness, persistent pins and needles, unusual swelling, discharge, a strong odour, blue or very pale fingers or toes, or skin breakdown around the cast edge.
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