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The ODS may or may not co-exist with other functional bowel disorders, such as slow transit constipation or irritable bowel syndrome. [19] Of all cases of primary constipation, it is reported that 58% are dyssynergic defecation, 47% are slow transit constipation and 58% are irritable bowel syndrome. [ 21 ]
Functional constipation, also known as chronic idiopathic constipation (CIC), is defined by less than three bowel movements per week, hard stools, severe straining, the sensation of anorectal blockage, the feeling of incomplete evacuation, and the need for manual maneuvers during feces, without organic abnormalities.
Where anismus causes constipation, it is an example of functional constipation. Many authors describe an "obstructed defecation syndrome", of which anismus is a cause. [24] The Rome II classification functional defecation disorders were divided into 3 types, [25] however the symptoms the patient experiences are identical. [26]
Encopresis is a term that is usually applied when there are no such anatomical defects present. The ICD-10 classifies nonorganic encopresis under "behavioural and emotional disorders with onset usually occurring in childhood and adolescence" and organic causes of encopresis along with FI. [34]
Causes: Idiopathic, Kawasaki disease, Parkinson's disease, Chagas disease, Hirschsprung's disease, intestinal hypogangliosis, collagen vascular disease, mitochondrial disease, endocrine disorders, medication side effects: Diagnostic method: Signs and symptoms consistent with a mechanical intestinal obstruction with no identifying lesion.
Amygdala (in red) brain structures linked to anxiety disorders. The pathophysiology of GAD is an active and ongoing area of research often involving the intersection of genetics and neurological structures. [9] Generalized anxiety disorder has been linked to changes in functional connectivity of the amygdala and its processing of fear and ...
Parcopresis, also termed psychogenic fecal retention or shy bowel, and known colloquially as poop shy, is the inability to defecate without a certain level of privacy. It can be either a difficulty or inability to defecate due to significant psychological distress, and is associated with avoidance in public and social situations. [ 1 ]
Somatic symptom disorder overlaps with illness anxiety disorder and conversion disorder. [38] Illness anxiety disorder is characterized by an obsession with having or developing a dangerous, undetected medical ailment, despite the absence of bodily symptoms. Conversion disorder may present with one or more symptoms of various sorts.