1. Reduce the rate of metabolism and nerve conduction, relieve pain;
2. Shrink the capillaries to achieve the purpose of hemostasis;
3. Anti-inflammatory, reduce local inflammation;
4. Lower body temperature.
Take a cold time?
For acute or subacute injuries, bleeding is essentially stopped at this time within 48 hours of injury, and cold treatment of the wound is the best time.
What are the contraindications for ice treatment?
1. For those who are extremely sensitive to cold stimuli, cold compress may cause arterial spasm;
2. Middle-aged and elderly patients with arterial insufficiency should be used with caution, may aggravate ischemia;
3. It is absolutely forbidden to use nerve tissue, because they can not feel hot and cold, so it is easy to frostbite;
4. Cold compresses and ice massage should not be used in areas with rheumatoid arthritis, Raynaud's syndrome, and sensory impairment.
How to apply the right cold?
For acute injury, the time for cold treatment is about 15 to 20 minutes, and the interval between each is 1-2 hours. To control the temperature of the ice, it is recommended to wrap the towel outside to have a slightly lower surface temperature. This is because if you continue to apply ice, it will cause frostbite.