Signs and symptoms of heat exhaustion include
Other associated symptoms can include muscle cramps and weakness. When the body is no longer able to cool itself, heat exhaustion may progress to heat stroke, in which sweating stops and the person may experience confusion, lethargy, seizures, and an extremely high body temperature. Heat stroke is a life-threatening condition.
Cause of heat exhaustion
Heat exhaustion is caused by physical activity in a hot environment that can overwhelm the body's ability to cool itself or living in a hot environment without adequate access to water.