Heat Stress

Heat Exhaustion Symptoms


  • Weakness, lightheadedness, headaches, dizziness or fainting
  • Upset stomach or vomiting
  • Pale complexion, clammy or moist skin, heavy sweating
  • Rapid, strong pulse
  • Mood changes, irritability, confusion, giddiness

Heat Stroke Symptoms

  • Hot, dry skin
  • Body temperature 103 degrees or higher
  • Mental confusion or loss of consciousness
  • Convulsions or seizures

Safety Tips

  • Avoid heavy exercise or work in the heat unless you are used to it.
  • Drink plenty of liquids, especially water. Don't wait until you're thirsty to start drinking.
  • Avoid alcohol, caffeinated drinks or heavy meals.
  • Wear lightweight, light-colored, loose-fitting clothes.
  • Take frequent breaks, especially if you notice you're getting a headache, cramps or start to feel overheated.
  • Stay out of the sun as much as possible. Try to stay in a cool, shaded area.
  • Wear a hat or cap.
  • Use cooling fans.
  • Rest regularly.
  • Watch for signs and symptoms of heat-related illnesses.

Emergency Actions

  • Call 911
  • Move the victim to a cool area and start to cool down the body as fast as possible.
  • Soak the patient's clothes in water
  • Apply cold packs
  • Use fans or air conditioning
  • Place them in a tub of cool water
  • Give the patient fluids.