06/05/2026
Spending a long time in the heat can lead to dehydration, heat exhaustion or even heat stroke. It is important to know the signs of heat stroke versus heat exhaustion, so you can seek medical assistance quickly. Signs of heat exhaustion include heavy sweating, dizziness and lightheadedness. Heat exhaustion can lead to heat stroke, which is a medical emergency. Signs of heat stroke include a high body temperature, confusion and unconsciousness.