[header] How to treat frostbite [title] Determine if you have frostnip. [step] Frostnip is not the same as frostbite, but can precede it. Ice crystals form on the surface of the skin, rather than within the tissue as in frostbite. 
The blood vessels in your skin severely constrict, causing paleness or reddened areas. You may feel numbness, pain, or prickling or tingling of the area.