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The following may be symptoms of fecal impaction: 1  Being unable to have a bowel movement. 2  Having to push harder to have a bowel movement of small amounts of hard, dry stool. 3  Having fewer than the usual number of bowel movements.  Having pain in the back or abdomen.
A fecal impaction is a large mass of dry, hard stool that can develop in the rectum due to chronic constipation.Usually fecal impaction is noticed when you are straining and water stool comes out, but I have had hard stool come out today.Chronic constipation can cause the rectum to be extremely dilated resulting in blockage, or fecal impaction.sually fecal impaction is noticed when you are straining and water stool comes out, but I have had hard stool come out today. Chronic constipation can cause the rectum to be extremely dilated resulting in blockage, or fecal impaction.