If alert, the traveler must replenish depleted fluid levels. Cold, purified water and fluid replacement beverages are adequate. A target intake of 1 to 2 L over 2 to 4 hours is reasonable. The traveler should continue to rest for the next 24 hours and force fluids. If symptoms persist, a physician should be contacted immediately.
Heat stroke is a true medical emergency and results from extreme elevations of body temperature.
As a result, the body systems are overwhelmed by heat and impaired functioning results. Common signals include temperatures greater than 106 F, red, hot, dry skin, and altered consciousness. While waiting for help, lower body temperature by immersion in ice or cold water. Swelling of the hands, face, and ankles These symptoms may begin at the time of ascent, but most often occur 6-48 hours after climbing. With the avoidance of strenuous exertion, symptoms usually subside in one to seven days while staying at the same altitude.