Soiling / Encopresis
recent studies put encopresis as a more "evacuation release disorder" ie:
difficulty in controlling the release of stools.
Up to 40% of children with encopresis can have "rectal hyposensitivity". That is
they have less awareness of stool in the rectum and hence difficulty controlling
Some 30 to 50% of children with difficult to control encopresis have an
ineffective evacuation due to contraction of the muscle of around the anus (anal
sphincter) when attempting to pass. Normally the anus should relax to allow the
These features may be a consequence of encopresis however they shed light
on encopresis and its cause as not just being simply due to constipation.