Wilderness Medical Society snowmass 2005  Page 229
 
 
59 
minutes and, when the temperature reaches approximately 100 to 102°F (37.7 to 38.8°C), 
taper off the cooling efforts, as rapid cooling below this point may lead to shivering. If 
the patient returns to a level of consciousness appropriate for oral hydration, give fluids. 
Do not give antipyretics like aspirin or acetaminophen. Rapid evacuation is indicated. 
Monitor carefully for rebound temperature increase.