Journal of Neurology

, Volume 263, Issue 5, pp 1008–1014 | Cite as

Coprophagia in neurologic disorders

  • Keith A. Josephs
  • Jennifer L. Whitwell
  • Joseph E. Parisi
  • Maria I. Lapid
Original Communication

Abstract

We report on the unusual behavior of coprophagia (eating one’s own feces) in neurologic disorders. The Mayo Clinic Health Sciences-computerized clinical database was queried for all patients evaluated at our institution between 1995 and 2015 in which coprophagia was documented in the medical records. Twenty-six patients were identified of which 17 had coprophagia. Of the 17 patients, five were excluded due to age at onset less than 10 years, leaving 12 adult patients for this study. The median age at onset of coprophagia in the 12 patients was 55 years (range 20–88 years), and half were female. Additional behaviors were common including scatolia (fecal smearing), hypersexuality, aggression, and pica (eating objects of any kind). Coprophagia was associated with neurodegenerative dementia in six patients, developmental delay in two, and one each with seizures, steroid psychosis, frontal lobe tumor, and schizoaffective disorder. Brain imaging in the six patients with dementia showed moderate-to-severe medial temporal lobe atrophy, as well as mild frontal lobe atrophy. Autopsy examination was performed in one patient and revealed frontotemporal lobar degeneration pathology. Many different behavioral and pharmacologic therapies were implemented, yet only haloperidol was associated with discontinuation of the behavior. Coprophagia is associated with different neurologic disorders, particularly neurodegenerative dementias. The behavior may be related to medial temporal lobe atrophy, similar to the Klüver–Bucy syndrome. Haloperidol appears to be effective in treating the behavior, at least in some patients.

Keywords

Coprophagia Dementia Semantic dementia Alzheimer’s disease Haloperidol Seizures Temporal lobe TDP-43 Frontotemporal dementia 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  • Keith A. Josephs
    • 1
  • Jennifer L. Whitwell
    • 2
  • Joseph E. Parisi
    • 1
    • 3
  • Maria I. Lapid
    • 4
  1. 1.Department of NeurologyMayo ClinicRochesterUSA
  2. 2.Department of RadiologyMayo ClinicRochesterUSA
  3. 3.Department of Laboratory Medicine and PathologyMayo ClinicRochesterUSA
  4. 4.Department of PsychiatryMayo ClinicRochesterUSA

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