Medpundit runs down the difference between heat exhaustion and heat strokeand what to do in each case:
* For mild cases of heat exhaustion
o Rest in a cool shaded area.
o Give cool fluids such as sports drinks or Gatorade that will replace the salt that has been lost. Salty snacks are appropriate, as tolerated.
o Loosen or remove clothing.
o Do not use an alcohol rub.
o Do not give any beverages containing alcohol or caffeine.* Heat stroke (Do not attempt to treat a case of heat stroke at home, but you can help while waiting for medical assistance to arrive.)
o Move the person to a cooler environment, or place him or her in a cool bath of water (as long as he or she is conscious and can be attended continuously).
o Alternatively, moisten the skin with lukewarm water and use a fan to blow cool air across the skin.
o Give cool beverages by mouth if the person will tolerate it.
Read the whole post--memorize it, even. With the heat wave continuing like it is, you need to know this stuff.
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