Very high temperature.
Hot, dry, red skin. No sweating.
Deep breathing and a fast pulse followed by shallow breathing and a weak pulse.
Confusion and hallucinations.
Loss of consciousness.
Normal, low or only slightly elevated body temperature.
Cool, clammy, pale skin. Sweating.
Dry mouth. Thirst.
Fatigue. Weakness. Feeling dizzy.
Nausea. Vomiting can occur.
Drink lots of liquids, water, sport drinks, such as Gatorade.
Do not stay in or leave anyone in a closed, parked car during hot weather.
Keep your body hydrated by drinking 8 ounces of cool water every 15 to 20 minutes.
Limit your drinks with alcohol or caffeine.
Use caution when you are in the sun. At the first sign of heat exhaustion, get out of the sun.
Perform the most stressful job in the cooler part of the day, if possible.
Wear light, loose-fitting clothing, such as cotton, so sweat can evaporate.
Wear a wide-brimmed hat with vents.
Use an umbrella for shade.
If you feel hot, try to cool off. Open a window, use a fan or go to an air-conditioned place.