What should you avoid doing when applying ice to an open wound?

Applying ice directly to an open wound should be avoided because it can cause further tissue damage and lead to frostbite. The skin around an open wound is already compromised, and direct contact with ice can freeze the exposed tissue, exacerbating the injury. Instead, it is safer to use a barrier, such as a clean cloth or gauze, to protect the injury from the cold while still providing the benefits of ice, such as reducing swelling and pain.

In addition to this, other practices, such as covering the wound with gauze, can help protect the injury and maintain cleanliness, while using ice for less than 20 minutes is a common recommendation to prevent ice-related injuries. Wrapping ice packs loosely ensures proper circulation and reduces the risk of direct cold injury. Therefore, the best practice is to ensure any ice application is done carefully to avoid direct contact with the wound itself.