Common Signs of Heat Stress

Condition Signs/Symptoms First Aid
Heat Cramps
  • Painful muscle spasms, usually in the legs or abdomen
  • Heavy sweating
  • Salt water intake (.5% solution)
  • Sport drink intake (Gatorade, Powerade, etc.)
  • Rest in cool environment
Heat Syncope
  • Brief fainting
  • Blurred vision
  • Water intake
  • Lie down in cool environment
  • Fatigue
  • Reduced movement
  • Fluid and salted food intake
Heat Exhaustion
  • Pale and clammy skin
  • Possible fainting
  • Weakness, fatigue
  • Headache
  • Nausea
  • Dizziness
  • Heavy sweating
  • Exhaustion
  • Blurred vision
  • Body temp slightly elevated
  • Move victim to a cooler place
  • If victim is conscious, give small amounts of cool water to drink
  • Remove or loosen tight clothing
  • Apply cool, wet cloths or towels to the skin
  • Watch for changes in condition
  • If the victim refuses water, vomits, or begins to lose consciousness, call 911 immediately
Heat Stroke
  • Cessation of sweating
  • Skin hot and dry
  • Red face
  • High body temperature
  • Unconsciousness
  • Collapse
  • Convulsions
  • Confusion or erratic behavior
  • Life threatening condition
  • Immediately move victim to a cooler place
  • Quickly cool the victim's body by removing or loosening tight clothing and applying cool, wet cloths or towels to the skin
  • Apply ice or cold packs, wrapped in a cloth, to the wrists, ankles, groin, neck, and armpits
  • Call 911 immediately or transport to the hospital