Treatment for heat exhaustion includes recognizing the symptoms and stopping the activity, and moving to a cooler environment. Rehydration with water or a sports drink. If vomiting prevents the affected person from drinking enough water intravenous fluids may be required. Heat exhaustion can progress to heat stroke. (Below)
Heat stroke is a form of hyperthermia, an abnormally elevated body temperature with accompanying physical symptoms including changes in the nervous system. A heat stroke is a life threatening medical emergency that is often fatal if not properly and quickly treated. Severe hyperthermia is defined as a core body temperature of 104 degrees or higher. Those most at risk are Infants, The Elderly, Athletes and Individuals that work outside and physically exert themselves in the heat.
Seek medical assistance if you suspect heat stroke.