How long does it take to recover from dehydration?

Answer 1

In hot environments, dehydration can happen in a matter of hours. Dehydration depends on ambient temperature, exertion, physical health, alcohol consumption, and amount of water consumed. A rule of thumb is that you should drink a liter of water every hour at temperatures around 120 F. With moderate exertion you might want to increase that to two liters per hour. Symptoms of dehydration would be decreased sweating, lethargy, low urine output, urine is dark yellow, and disorientation.

Answer 2

It depends on how much water has been lost. Here is an excellent, easy-to-read article: http://en.wikipedia.org/wiki/Dehydration

Answer 3

Until you drink enough water to satisfy your body's needs at that particular time.

Answer 4

about a day, 18 - 26 hours