Frostbite is an injury caused by freezing of the skin and underlying tissues. First your skin becomes very cold and red, then numb, hard and pale. Frostbite is most common on the fingers, toes, nose, ears, cheeks and chin. Exposed skin in cold, windy weather is most vulnerable to frostbite. But frostbite can occur on skin covered by gloves or other clothing.
Frostnip, the first stage of frostbite, doesn't cause permanent skin damage. You can treat very mild frostbite with first-aid measures, including rewarming your skin. All other frostbite requires medical attention because it can damage skin, tissues, muscle and bones. Possible complications of severe frostbite include infection and nerve damage.
Source: http://www.mayoclinic.com
Signs and symptoms of frostbite include:
Frostbite is most common on the fingers, toes, nose, ears, cheeks and chin. Because of skin numbness, you may not realize you have frostbite until someone else points it out.
Frostbite occurs in several stages:
Seek medical attention for frostbite if you experience:
Get emergency medical help if you suspect hypothermia, a condition in which your body loses heat faster than it can be produced. Signs and symptoms of hypothermia include:
Source: http://www.mayoclinic.com
Frostbite occurs when skin and underlying tissues freeze. The most common cause of frostbite is exposure to cold-weather conditions. But it can also be caused by direct contact with ice, freezing metals or very cold liquids.
Specific conditions that lead to frostbite include:
Source: http://www.mayoclinic.com
The diagnosis of frostbite is usually made based on your signs and symptoms, the appearance of your skin, and a review of recent activities in which you were exposed to cold.
Your doctor may conduct tests, such as an X-ray, bone scan or magnetic resonance imaging (MRI) test, to determine the severity of the frostbite and to check if bone or muscle is damaged. Your doctor may also run tests if he or she suspects you have hypothermia, a condition that often occurs with frostbite.
Source: http://www.mayoclinic.com
Complications of frostbite include:
Cold exposure that's severe enough to cause frostbite also can cause hypothermia. When your body temperature drops, your heart, nervous system and other organs don't work correctly. Left untreated, hypothermia eventually leads to complete failure of your heart and respiratory system and to death.
Source: http://www.mayoclinic.com
Frostbite can be prevented. Here are tips to help you stay safe and warm.
Source: http://www.mayoclinic.com
To care for your skin after frostbite:
Source: http://www.mayoclinic.com
The following factors increase the risk of frostbite:
Source: http://www.mayoclinic.com
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