Frostbite occurs when the skin and tissue underneath the skin freeze. It can develop during prolonged exposure to cold weather at or below 0°C. Nose, ears, cheeks, chin, fingers and toes are most at risk. Frostbite can lead to permanent damage.
Frostbite can happen during prolonged exposure to cold weather at or below 0°C or even after a few minutes in extremely low temperatures.
The diagnosis is usually made based on the person's symptoms and examination of the affected area.
In NSW call 1300 066 055 to talk to your local Public Health Unit.