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What are some signs of heat illness?

Common signs and symptoms of heat illness are dizziness, fatigue, cramping, heavy sweating with cool skin and nausea. Fainting, high fever, rapid heart rate and failure to sweat when overheated are signs and symptoms of severe heat illness. (This answer provided for NATA by the California University of Pennsylvania Athletic Training Education Program.)
Heat illness includes heat exhaustion and the more serious condition of heat stroke. The symptoms of heat exhaustion include excessive sweating, cool and clammy skin, weakness, nausea, vomiting and sometimes, fainting. With heat stroke the body temperature may go above 103 degrees Fahrenheit, and the skin is red and hot. The pulse is strong and rapid, and there might be loss of consciousness.

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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.