Wei Zi sprained his foot.

You can check the sprain first. If it's just a slight sprain, a massage to promote blood circulation will be enough. If it is serious, with obvious redness, fever and pain, you need cold compress. After a day or so, the redness and fever subside before hot compress.

Emergency treatment of ankle sprain When we are running, playing football or doing other sports, if we suddenly sprain our ankle, the first thing to do is to stop and don't move, because the ankle has been sprained at this time, and doing too much exercise will aggravate the injury. At this time, you should sit on the ground and wait for friends to help, or ask passers-by to help. If the sprained foot is serious, you should take a taxi to the hospital for treatment immediately.

What kind of cold compress is to wet and dry the towel with an ice pack or cold water to cool the injured and swollen place. Under the action of low temperature, the capillaries in the injured area will contract, which can reduce the bleeding in the sprained area under the skin and achieve the purpose of detumescence and pain relief. Generally, there will be pain, redness, fever, subcutaneous muscle capillary rupture, bleeding, etc. in the early stage of sprained foot. At this time, cold compress should be carried out. However, it is worth noting that if you use an ice pack for cold compress, you should put a towel on the outside of the ice pack, and the ice cubes in the ice pack should also be mixed with some water to avoid frostbite of the skin and muscles due to the low temperature of the ice pack.

In any case, hot compress is to apply a hot towel or hot water bag to the injured part that needs hot compress. Generally, 24 hours after sprain of foot, redness, fever and pain subside, and capillary bleeding stops. At this time, hot compress is needed to promote blood circulation and remove blood stasis, and the temperature brought by hot compress can also promote the recovery of the injured part.

The time control of cold compress and hot compress depends on the injury. Usually every two hours, each lasting about ten or twenty minutes. Of course, this time is not fixed, just a rough figure. For example, during cold compress, the temperature of the ice pack is very low, which may last for about 15 minutes. Pay attention to the change of the injured part when cold compress, and adjust the time appropriately.