Why is an application of cold recommended as part of the RICE first aid measures immediately following an inflammatory response due to injury? Because cold:

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Cold causes local vasoconstriction, which helps to reduce local edema or swelling, which is a common feature of an inflammatory response due to injury. By reducing swelling, pain and inflammation, cold therapy may allow for quicker healing and return to normal function. It does not improve circulation in the area or draw more phagocytic cells to the area to remove debris. The cold therapy is not believed to promote immediate healing but helps to reduce the inflammatory response.

Why Is an Application of Cold Recommended as Part of the RICE