© 2026 South Carolina Public Radio
Play Live Radio
Next Up:
0:00
0:00
0:00 0:00
Available On Air Stations

Know the difference before it's too late. Heat exhaustion vs. heat stroke

Raven Favor
/
SCETV

Anyone can develop a heat-related illness, but some face greater risk, including older adults, infants and young children, people with chronic health conditions, athletes and anyone taking medication that affects the body’s ability to regulate temperature.

Hot summer temperatures can be dangerous. Heat illness occurs when the body is exposed to abnormally hot temperatures and/or humidity. Avoiding hot and moist air, prolonged outdoor activity, and intense physical exertion will support your wellness during periods of extremely hot weather.

Learn how to recognize and respond to signs of heat exhaustion and heat stroke – two types of heat illness. Heat exhaustion develops when your body loses too much water and salt through heavy sweating. Common symptoms include heavy sweating, dizziness, nausea, weakness, muscle cramps, headaches and fainting.

If left untreated, heat exhaustion can progress to heat stroke, which is a life-threatening emergency. If you or anyone you know shows signs of heat exhaustion, move to a cool place, drink eater, loosen tight clothing, and use a cool towel.

Unlike heat exhaustion, heat stroke is a medical emergency that requires immediate attention. Heat stroke occurs when the boy’s temperature rises to 103 degrees or higher and can no longer cool itself. Symptoms may include hot, red skin, confusion, slurred speech, seizures, a raid, strong pulse, or loss of consciousness.

If you suspect someone is experiencing a heat stroke, call 911 immediately. While waiting for emergency responders, move to a cool place and use ice packs or wet cloths to help lower body temperature. Do not give any fluids if the person is unconscious or confused.

Anyone can develop a heat-related illness, but some face greater risk, including older adults, infants and young children, people with chronic health conditions, athletes and anyone taking medication that affects the body’s ability to regulate temperature.

You reduce the chances of developing these illnesses by drinking water regularly, wearing lightweight clothing, limiting outdoor activity, taking frequent breaks, and using sunscreen. Check on older neighbors and family members to ensure they are avoiding the extreme heat as much as possible.

Recognizing the warning signs early for heat exhaustion and heat stroke can make all the difference. To stay up to date on developing weather conditions get the latest online at South Carolina ETV and Public Radio.