What are the symptoms of heat exhaustion?

Brett Snodgrass
Oncology Nursing Specialist

Symptoms of heat exhaustion include nausea vomiting, lethargy, increased heart rate, increase temperature. It is important to continually hydrate yourself with water or Gatorade-type beverage. Avoid caffeine or alcoholic beverages. It is important to listen to your body, don't continue to push yourself in extreme heat.

People with heat exhaustion will generally be sweating profusely. They commonly have cool, clammy, pale skin and a rapid but weak heart rate. Body temperature is usually only slightly elevated, no higher than 104 degrees. Other signs and symptoms might include confusion or dizziness, decreased urination, nausea and vomiting, headache, fatigue/weakness and malaise.

This answer provided for NATA by the Marist College Athletic Training Education Program.

Signs of heat exhaustion include cool, moist, pale, ashen or flushed skin, as well as:

  • headache
  • nausea
  • dizziness
  • weakness
  • exhaustion.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.