Heat Exhaustion-- What Should You Watch For?

06.20.12 | Sarah Harnisch

Thousands of cities in New York and Pennsylvania could top 100 degrees today with the heat index. High temperatures increase your chance of getting heat exhaustion. It all has to do with water intake. medical experts say. The sodium in your body can become off balance because of a lack of reserve water. Signs of heat exhaustion include confusion, rapid heart beat, extreme fatigue, pounding headache and dizziness. Alcohol and caffeine make it much worse.