Consider serum electrolytes, calcium, glucose, thyroid function tests, sigmoidoscopy, and barium enema. Management Patient education. Avoid irritant and combination laxatives. Allow adequate time and a relaxed environment to have a bowel movement. Fluid and fiber.
Soluble fiber is more important than insoluble in treating constipation.
Increase fluid intake to several glasses per day. Stool softeners and lubricants. Avoid products that combine stool softeners with irritant laxatives unless specifically indicated. Mineral oil is an alternative that works as a lubricant. Usual starting dose is 1 tablespoon QHS and the dose can be increased as needed to a maximum of 4 tablespoons per day.