Possible causes of sudden onset OCD in kids broadened

Jules Asher
EurekAlert

Criteria for a broadened syndrome of acute onset obsessive compulsive disorder (OCD) have been proposed by a National Institutes of Health scientist and her colleagues. The syndrome, Pediatric Acute-onset Neuropsychiatric Syndrome (PANS), includes children and teens that suddenly develop on-again/off-again OCD symptoms or abnormal eating behaviors, along with other psychiatric symptoms – without any known cause.

PANS expands on Pediatric Autoimmune Neuropsychiatric Disorder Associated with Streptococcus (PANDAS), which is limited to a subset of cases traceable to an autoimmune process triggered by a strep infection. A clinical trial testing an immune-based treatment for PANDAS is currently underway at NIH and Yale University (see below).

“Parents will describe children with PANS as overcome by a ‘ferocious’ onset of obsessive thoughts, compulsive rituals and overwhelming fears ,” said Susan Swedo, M.D., of the NIH’s National Institute of Mental Health (NIMH), who first characterized PANDAS two decades ago. “Clinicians should consider PANS when children or adolescents present with such acute-onset of OCD or eating restrictions in the absence of a clear link to strep.”

Swedo, James Leckman, M.D., of Yale University, and Noel Rose, M.D., Ph.D. of Johns Hopkins University, propose working criteria for PANS in February 2012 in the open source journal Pediatrics & Therapeutics.

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