Cold compress can play a physical role in cooling, reducing swelling, etc.
Place the prepared ice bag on the area that needs to be cooled or swollen. The cold compress can be selected according to the size of the injured area and the purpose of the cold compress.
Generally, the cold compress time is about 30 minutes, and the time should not be too long, so as to avoid frostbite, numbness and other situations, which will aggravate the condition.
