Sweating cools the body but also causes
dehydration. Sweat that evaporates from the skin is
more effective at cooling than sweat that drips off the body.
Drinking while you exercise does not replace all of the water lost in
sweat quickly enough. Be sure to increase your fluid intake before you
exercise and continue to drink after you finish exercising in hot weather. It
is easy to become dehydrated during exercise, which increases the risk for a
You can help prevent dehydration and a
heat-related illness. Drink plenty of water before, during, and after you are
active. This is very important when it's hot out and when you do intense
Do not use salt tablets, which are
absorbed slowly and can cause irritation of the stomach. Salt tablets do not
replace water loss.
September 1, 2011
William H. Blahd, Jr., MD, FACEP - Emergency Medicine
& H. Michael O'Connor, MD - Emergency Medicine
How this information was developed to help you make better health decisions.
To learn more visit Healthwise.org
© 1995-2013 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
We are happy to take your appointment request over the phone, or, you may fill out an online request form.
Disclaimer: The information on this website is for general informational purposes only and SHOULD NOT be relied upon as a substitute for sound professional medical advice, evaluation or care from your physician or other qualified health care provider.