Chronic functional constipation in children: adherence and factors associated with drug treatment.

Objective: The aim of the present study was to evaluate the treatment adherence of children with chronic functional constipation.

Methods: The present study is a prospective and longitudinal study realized at a pediatric gastroenterology clinic of a Brazilian University Hospital, between August 2009 and October 2011. Rome III criteria and the Bristol Stool Scale were used to define constipation and to characterize feces, respectively.