It is wrong to use hot compress or local massage to reduce swelling immediately after acute injury.

Apply the wound with an iced towel as soon as possible for 20 to 30 minutes at a time. It can not only stop bleeding and relieve pain as soon as possible, but also shrink local capillaries and effectively reduce swelling.

If the sprain lasts for more than 3 days, in order to improve the blood and lymphatic circulation of the injured part and facilitate the congestion and absorption of exudates in the injured part, hot compress can be used. Apply a towel soaked in hot water or hot vinegar to the wound and change it every 5 ~ 10 minutes. 65438+ 0 ~ 2 times a day for about 30 minutes each time.