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heatstroke: emergency symptoms

overview

signs of rapidly progressing heatstroke include:

  • unconsciousness for longer than a few seconds.
  • convulsion (seizure).
  • signs of moderate to severe difficulty breathing.
  • a rectal temperature over 40 °c (104 °f) after exposure to a hot environment.
  • confusion, severe restlessness, or anxiety.
  • fast heart rate.
  • sweating that may be heavy or may have stopped.
  • skin that may be red, hot, and dry, even in the armpits.
  • severe vomiting and diarrhea.

after calling 911 or other emergency services, begin emergency first aid treatment if emergency medical personnel (such as paramedics) are not going to arrive soon.

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current as of: july 10, 2023

author: healthwise staff
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