Why should I drink water after walking?

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When you sweat, your body can lose a great deal of water as it tries to cool itself off. Just a brisk walk in warm weather, for example, can make you lose a pound of water as your body tries to resume its normal temperature. You need to drink after exercising to replace this water loss.

It is important to drink plenty of water. Thirst alone is a poor indicator of how much water you need and dehydration can have serious health consequences such as nausea and heat exhaustion.  

Guidelines for fluid replacement are as follows:

  • Consume 14 to 22 ounces (1.75 to 2.75 cups) of fluid 2 hours before exercise
  • Drink 6 to 12 ounces of fluid for every 15 to 20 minutes of exercise
  • Fluids should be cold.
  • The goal is to replace sweat and urine losses.
  • Ingest 16 to 24 ounces of fluid for every pound of body weight lost after an exercise bout.
Dawn Marcus
Neurology
As soon as you're back at the house, take off your shoes and have eight to ten ounces of cool water. This will quench your thirst, replace important fluids you lost on your walk, and reduce your urge to have calorie-laden sodas, fruit drinks, or a sugary snack.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.