Chronic constipation is a disorder characterized by unsatisfactory defecation that results from infrequent stools, difficult stool passage, or both over a time period of at least 12 weeks. In this report, we review the general and comparative effectiveness, safety, and tolerability of drugs for chronic constipation. Our review covers the use of the following in adults and children with chronic constipation and Irritable Bowel Syndrome, constipation-predominant (IBS-C): docusate calcium, docusate sodium, lactulose, lubiprostone, polyethylene glycol 3350, psyllium, and tegaserod.
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