Diagnostic and therapeutic approaches to patients with constipation

Constipation is a common symptom, affecting up to 20% of the general population. Studies over the past decade have led to an improved understanding of the underlying pathophysiology, especially related to colonie and anorectal function. An evidence based approach can now be used in clinical practice for the evaluation and treatment of patients with constipation. It is important to understand the symptom patterns and classification of constipation, in order to tailor therapy based on the underlying pathophysiology. This article reviews the definition and classification of constipation, along with an overview of the recommended diagnostic approach and treatment, intended for the practicing gastroenterologist.