Midwest Stone Institute
HIGH FLUID VOLUMES TO PREVENT KIDNEY STONES
A high fluid volume will result in a high urine output, which will decrease your kidney’s ability to form kidney stones.
HOW MUCH FLUID
You should be drinking more than you think is enough. Three quarts a day is our medical director's recommendation for normal activity. A gallon of fluid should be consumed if in an exercise program or during extreme summer heat.
WHAT TYPE OF FLUID
Water is the best fluid, and you should try to drink as much as possible. Other allowed fluids are: 1-2 cups coffee a day, diet white soda (ginger ale, 7-Up, Sprite, etc.), fruit juices (apple, orange, grapefruit, pineapple), flavored seltzer, no sugar added powder package liquids. Home-made lemonade from lemon-juice concentrate is also excellent.
WHAT TO AVOID
Hot or iced brewed black tea (Earl Grey, etc.), colas (limit to 8-12 ounces per day). Women should avoid grapefruit juice.
AM I DRINKING ENOUGH
Your urine should be as clear as water. For the first few months you may want to check your progress by measuring your urine for a 24 hour interval. Your volume should be over 2 quarts.
Most stones are believed to form at night, when you are sedentary and the urine becomes concentrated. It is important for you to drink 1-2, 10 ounce glasses of fluid before you go to bed. It is important that you wake at least once to urinate. Then drink 1-2 more glasses of fluid.
HOW LONG DO I NEED TO DO THIS
For the rest of your life, to prevent formation of kidney stones.
Never pass a water fountain without taking a drink.
Purchase a two quart thermos bottle, fill with fluid daily:
1. At work; do not leave until finished.
2. On the go; do not go home until finished.
3. At home; finish daily.
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