Harvard Health Tips

Treating injuries with ice

Cold numbs pain and reduces swelling by constricting blood vessels. After an injury, wrap an ice pack in a cloth and apply for 20 minutes, remove for 20 minutes, reapply for 20 minutes, and so on. To prevent frostbite, do not apply ice directly to the skin. Your source for cold can be as simple as a bag of frozen peas wrapped in a towel, but you can also buy easy-to-secure neoprene wraps with…

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