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Increased pain, swelling, inflammation or discharge in the area that was frostbitten.

Signs and symptoms of superficial or deep frostbite.

Seek medical attention for frostbite if you experience: The tissue turns black and hard as it dies. Large blisters form 24 to 48 hours after rewarming. The skin turns white or blue-gray and you lose all sensation of cold, pain or discomfort in the area. As frostbite progresses, it affects all layers of the skin as well as the tissues that lie below. A fluid-filled blister may appear 12 to 36 hours after rewarming the skin. And you may notice stinging, burning and swelling. If you treat frostbite with rewarming at this stage, the surface of the skin may appear mottled. The skin may begin to feel warm - a sign of serious skin involvement. Superficial frostbite causes slight changes in skin color.

Frostnip doesn't cause permanent skin damage. As your skin warms, you may feel pain and tingling. Continued cold exposure leads to numbness in the affected area. Changes in the color of the affected area might be difficult to see on brown or Black skin. Because of skin numbness, you may not realize you have frostbite until someone points it out. Blistering after rewarming, in severe casesįrostbite is most common on the fingers, toes, nose, ears, cheeks and chin.Clumsiness due to joint and muscle stiffness.Skin that looks red, white, bluish-white, grayish-yellow, purplish, brown or ashen, depending on the severity of the condition and usual skin color.At first, cold skin and a prickling feeling.Frostnip doesn't permanently damage the skin. Frostnip, a mild form of frostbite, irritates the skin, causing redness and a cold feeling followed by numbness.