Principles of laxatives selection in various categories of patients with constipation
The modern approach to the assessment and treatment of constipation syndrome are considered. We present its definition and pathogenic types of constipation, and discuss their etiology in detail. The classification and detailed description of purgatives is presented, the ways of constipation correction by medications and nonmedication methods are discussed. We make the emphasis on individual choice of therapy depending on the type of constipation, its pathophysiological characteristics and mechanism of action of purgatives.

Keywords: Dulkolaks, Bisacodyl, lactulose, purgatives, proctotogenic constipation, cologenic constipation, classification of constipation, constipation