What Causes Constipation?

Dehydration

Sufficient hydration helps the intestines stay smooth and flexible so food can flow through them efficiently. If dehydration is present, the colon (large intestine) will absorb water from food waste, leading to dry and hard stool. Potential signs of dehydration include dark-colored urine, fatigue, headaches, dizziness, dry mouth, and dry skin. Patients with dehydration might also notice reduced urine output. To prevent dehydration, doctors recommend patients consume at least six to eight cups of liquid each day. While water is best, herbal tea, broth, and fruit and vegetable juices will all improve hydration. Patients trying to increase their fluid intake might wish to keep a log of all of their drinks throughout the day. Some 'smart' water bottles will calculate fluid intake automatically too. Since dehydration can be potentially serious, anyone who has not urinated in eight hours or who is experiencing confusion, dizziness, nausea, or vomiting should be taken to a hospital.

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