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Heat-Related Illness: What to Look For and What to Do

The summer months can increase your risk of experiencing heat-related illness.

Heat Stroke

What to Look For

  • Confusion, altered mental state
    Slurred speech
  • Seizures
  • Fainting, unconsciousness
  • Dizziness, nausea, vomiting
  • Severe headache and weakness
  • High core body temperature (104°F or higher)
  • Hot, dry skin or profuse sweating
  • Rapid pulse and breathing

What to Do

  • CALL 911 RIGHT AWAY - every minute counts
  • Discontinue physical activity and move the individual to a cool or shaded area and remove outer clothing
  • Cool the individual rapidly with an ice bath or wet the clothing with ice water or place ice packs on neck, armpit and groin
  • Circulate air around the individual to speed cooling
  • If conscious, encourage frequent sips of cool water or sports drink
  • Stay with individual until medical care arrives

 

Heat Exhaustion

What to Look For

  • Irritability
  • Headache and weakness
  • Dizziness, nausea, vomiting
  • Elevated body temperature
  • Heavy sweating
  • Rapid pulse and breathing
  • Thirst
  • Muscle cramps

What to Do

  • Discontinue physical activity and move the person to a shaded, cool area and remove outer clothing
  • Cool with ice packs or wet clothing with cold water
  • Circulate air around the person to speed cooling
  • Encourage frequent sips of water or sports drink
  • Stay with individual until condition improves
  • GET MEDICAL HELP RIGHT AWAY IF:
    • Individual begins to throw up, lose consciousness or symptoms worsen
    • Symptoms last longer than one hour once removed from activity and care is given

 

Heat Cramp

What to Look For

  • Muscle cramps, pain, or spasms in the legs, arms, or abdomen
  • Muscle feels like it is “balling” up
  • Heavy and prolonged sweating during activity

What to Do

  • Stop physical activity and move to a cool place
  • Frequently sip cool water or sports drink
  • Wait for cramps to go away before you do any more physical activity (light massage may help)
  • GET MEDICAL HELP RIGHT AWAY IF:
    • Cramps last longer than one hour
    • You’re on a low-sodium diet
    • You have heart problems

 

Heat Rash

What to Look For

  • Red clusters of small blisters that look like pimples on the skin usually located on the neck, chest, groin, or in elbow creases
  • May cause itching and reduce sweating around the affected area

What to Do

  • Stay in a cool, dry place
  • Keep the rash dry
  • Use powder (like baby powder) to soothe the rash

 

Water Intoxication

What to Look For

  • Rapidly drinking large volumes of water
  • Very frequent urination and clear in color
  • Confusion or unconsciousness
  • Weakness
  • Vomiting

What to Do

  • CALL 911 RIGHT AWAY - every minute counts
  • Transport to medical care immediately
  • Do not give more water
  • If awake, allow to eat salty food or snacks
Last Modified: Jun 12, 2024
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