How Much Water is Needed Daily?
- You need to drink at least enough water daily to replace the water that the body normally loses through perspiration, waste removal, and other functions (such as water lost as vapors by the lungs as air is exhaled).
- You will lose more water, and need to replace more water, if it is very hot outside, you exercise vigorously, drink a lot of caffeinated or alcoholic beverages, have a fever, or are losing water through vomiting or diarrhea.
- You need at least 2 quarts, or 8-10 (8 ounce) glasses of water daily; this is the minimum. If you exercise, especially in hot weather, you should increase this to 3-4 quarts.