Frostbite occurs when body tissue freezes. It usually occurs first in the extremities like your feet, hands, nose, ears, fingers, and toes. Symptoms include numbness and discoloration of the affected part of the body. If caught early, frostbite may be treated. If deep tissue freezes and dies, amputation may be necessary. Follow the links below to find WebMD's comprehensive coverage about how frostbite happens, how it is treated and prevented, what it looks like, and much more.