In a cool or cold environment, sweating quickens heat loss. Radiation — heat loss to surrounding air. This happens when you are in cold conditions. If much of your skin is exposed, hypothermia can occur even in cool temperatures.

Do you sweat during hyperthermia?

Heat exhaustion

This is one of the most serious stages of hyperthermia. Heat exhaustion occurs when your body can't cool itself any more. In addition to sweating profusely, you may experience: dizziness.

What happens to the body during hypothermia?

When your body temperature drops, your heart, nervous system and other organs can't work normally. Left untreated, hypothermia can lead to complete failure of your heart and respiratory system and eventually to death. Hypothermia is often caused by exposure to cold weather or immersion in cold water.