#constipation__irregularity  irregular and infrequent or difficult evacuation of the bowels; can be a symptom of intestinal obstruction or diverticulitis
  supertype:  symptom  (medical) any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease
  subtype:  dyschezia  difficulty in defecating (usually as a consequence of long continued voluntary suppression of the urge to defecate)
  subtype:  fecal_impaction__fecalimpaction  accumulation of hardened feces in the rectum or lower colon which the person cannot move
  subtype:  obstipation  severe constipation resulting from an obstruction in the intestines

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