constipation, irregularity

irregular and infrequent or difficult evacuation of the bowels; can be a symptom of intestinal obstruction or diverticulitis

• dyschezia — difficulty in defecating (usually as a consequence of long continued voluntary suppression of the urge to defecate)
• fecal impaction — accumulation of hardened feces in the rectum or lower colon which the person cannot move
• obstipation — severe constipation resulting from an obstruction in the intestines

• symptom — (medical) any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease