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Posted on: July 28, 2017

Warning Signs of Heat-Related Illness

Heat-Related Illness

Beach days, barbecues, concerts, and other outdoor activities can mean fun in the sun. However, heat can take a toll on the body.  Learn the Warning Signs of Heat-Related Illness from the Centers for Disease Control and Prevention before your next summer event.


Learning how to recognize the symptoms of heat exhaustion and heat stroke is the first step to prevention.


Signs of Heat Exhaustion

  • Heavy sweating
  • Weakness
  • Cold, pale, and clammy skin
  • Fast, weak pulse
  • Nausea or vomiting
  • Fainting

What You Should Do:

  • Move to a cooler location.
  • Lie down and loosen your clothing.
  • Apply cool, wet cloths to as much of your body as possible.
  • Sip water.
  • If you have vomited and it continues, seek medical attention immediately.


Signs of Heat Stroke

  • High body temperature (above 103°F)
  • Hot, red, dry or moist skin
  • Rapid and strong pulse
  • Possible unconsciousness

What You Should Do:

  • Call 911 immediately — this is a medical emergency.
  • Move the person to a cooler environment.
  • Reduce the person's body temperature with cool cloths or even a bath.
  • Do NOT give fluids.


Find more information on extreme heat preparedness at www.ready.gov/heat. You can also review extreme heat safety tips shared on a recent Twitter chat by searching #HeatChat on Twitter. The Twitter chat has information from the Ready Campaign, Maryland Department of Health Office of Preparedness and Response, Centers for Disease Control and Prevention, and many others.