Constipation is a common symptom. Treatment for constipation often includes lifestyle modifications such as increasing fluid intake, consuming more fiber, and exercising regularly. At times, the symptom of constipation can represent serious medical illnesses such as hypothyroidism or diabetes. Structural abnormalities of the colon, like colonic strictures or other diseases of the colon or rectum, may also cause constipation. It is therefore advisable to report constipation to your physician if it is persistent or difficult to manage. Tests and treatment are described.