Trichodaganomania: The compulsive habit of biting one’s own hair - 08/08/11
, Jing Feng, MD b, Robin L. Hornung, MD, MPH b
Reprint requests: Mohammad Jafferany, MD, Department of Psychiatry & Behavioral Sciences, Children’s Hospital and Regional Medical Center, 4800 Sand Point Way NE, Mail Stop W-3636, Seattle, WA 98105.Abstract |
A 17-year-old male presented with patches of hair loss on both forearms with comorbid depression and anxiety disorders. He had irresistible urges to bite his hair on easily approachable sites and endorsed biting his hair during periods of severe anxiety and boredom, resulting in noticeable patches of hair loss. There was no evidence of trichotillomanic behavior or any other skin pathology resulting in loss of hair at those sites. Microscopy of the bitten end of hairs showed smooth, sharply demarcated, blunted shafts. Trichodaganomania (biting one’s own hair) should not be confused with trichotillomania, trichotemnomania, or trichoteiromania. A psychodermatologic evaluation is warranted in the evaluation of these cases.
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| Funding sources: None. |
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| Conflicts of interest: None declared. |
Vol 60 - N° 4
P. 689-691 - avril 2009 Retour au numéro
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