It is important that you drink plenty of water each day if you have diabetes. Becoming dehydrated when you are diabetic can cause your blood sugar levels to go through the roof. The general rule of thumb is that you should drink one ounce of water for every 2.5 pounds of your body weight, each day.
Make sure to regularly check your blood sugar and write it in a log if you are diabetic. It is important that you do this because your blood sugar may be fine and a few hours later it could be dangerously high. Blood sugar that is consistently high raises your risk of heart disease and stroke.