Getting adequate fluids -- particularly water -- is important to help your body fight off the cellulitis infection. Dividing your weight in pounds in half gives you an approximate goal in ounces of how much water you should be drinking per day. Tracking urine color is a simple method of detecting your hydration level. If you are well-hydrated, your urine should be clear. Choose juice, low-fat milk, flavored water and other noncaffeinated beverages as additional options for support of your daily fluid needs.