What is the primary purpose of cold applications in wound care?

The primary purpose of cold applications in wound care is to reduce inflammation. When ice or cold packs are applied to a wound, the low temperature causes vasoconstriction, which leads to a decrease in blood flow to the area. This helps to limit swelling and pain, as inflammation is often characterized by increased blood flow and the accumulation of fluid. Cold applications can also help numb the area, providing pain relief.

While increased blood flow is the opposite effect of what cold therapy aims to achieve, and muscle relaxation can be a secondary benefit of cold application, the central goal in the context of wound care is managing inflammation. Cold therapies do not directly prevent infection; instead, they are primarily focused on controlling the body's inflammatory response to injury.