Heat cramps are the painful tightening of muscles in your stomach, arms, or legs. Cramps can result from hard work or exercise. While your body temperature and pulse usually stay normal during heat cramps, your skin may feel moist and cool.

These cramps are a sign that you are too hot. Find a way to cool your body down. Rest in the shade or in a cool building. Be sure to drink plenty of fluids, but not those with alcohol or caffeine. Caffeine can cause you to be dehydrated.