Cause:Diarrhea; overflow from impactions (encopresis, see above); rectal neoplasms; neurologic, eg, myelomeningocele, MS, dementia, CVA, neuropathy, cord lesions; abnormal pelvic floor, eg, congenital and trauma, esp from ob, aging, and pelvic floor denervation
Rx:1st: high-fiber diet, loperamide (Imodium), diphenoxylate (Lomotil), enemas if impacted; 2nd: biofeedback; 3rd: surgery