There are mainly three stages of frostbite:
- Frostnip. Frostnip is a mild form of frostbite. Continued exposure results in numbness in the affected area. You may feel pain and tingling as your skin warms,. Frostnip doesn't have a permanent damage to the skin.
- Superficial frostbite. Superficial frostbite appears when reddened skin that turns white or pale. Your skin may begin to feel warm, a sign of serious skin involvement. The surface of your skin may appear mottled once you treat frostbite with rewarming at this stage. And you may notice stinging, burning and swelling. A fluid-filled blister may appear 12 to 36 hours after rewarming the skin.
- Deep (severe) frostbite. As frostbite progresses, its influence spread to all layers of the skin, including the underlying tissues. Your skin turns white or bluish gray. And you may experience numbness, losing all sensation of cold, pain or discomfort in the affected area. Joints or muscles may no longer work. Large blisters may form 24 to 48 hours after rewarming. Afterward, the area, as the tissue dies, turns black and hard.
Keywords: stages frostbite; degrees frostbite; superficial frostbite; symptoms mild frostbite; mild frostbite symptoms;