Frostnip
Frostnip is the mildest form of cold injury where there is freezing of the superficial layers of the skin (1).
The condition is most likely to be experienced by skiers and others who participate in outdoor winter sports, affecting the nose, ears, or tips of digits. Ice crystals are seen as frost on the surface of the skin.
Recovery of the injured part is usually seen with gentle re-warming e.g - by blowing warm air on it (with cupped hands over the nose), placing the area against a warm body part or gaining shelter that protects from the elements. Rubbing of the affected area should be avoided (2).
Rewarm by immersing the affected part into a water bath of 105°-110°F for 25-40 minutes can also be attempted
The warmed tissue becomes hyperemic without blistering, and decreased sensation or tingling may persist for weeks (4). Once rewarmed
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