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Heart Health Library

Our Health Library does not replace the advice of a doctor. Please be advised that this information is made available to assist our patients to learn more about their heart health. Our providers may not see and/or treat all topics found herein.

Our Health Library information does not replace the advice of a doctor. Please be advised that this information is made available to assist our patients to learn more about their health. Our providers may not see and/or treat all topics found herein.

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 104 °F (40 °C) 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.

Related Information

Heat-Related Illnesses

Credits

Current as of: July 10, 2023

Author: Healthwise Staff
Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

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