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Pathological Eating Patterns in Adults Displaying Obsessive-Compulsive Symptoms: A Scoping Review.

Sonay Kucukterzi-Ali1, Amanda K Ludlow1, Roberto Gutierrez2

  • 1Department of Psychology, Sport and Geography, University of Hertfordshire, Hatfield, UK.

European Eating Disorders Review : the Journal of the Eating Disorders Association
|December 24, 2025
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Summary
This summary is machine-generated.

Adults with obsessive-compulsive disorder (OCD) exhibit high rates of eating disorders and problematic eating behaviors. Further research is needed to understand these behaviors and adapt treatments for individuals with OCD.

Keywords:
adultseating behaviourseating disordersobsessive compulsive disorders

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Area of Science:

  • Psychiatry
  • Clinical Psychology
  • Behavioral Science

Background:

  • Obsessive-compulsive disorder (OCD) is frequently comorbid with eating disorders.
  • Limited research exists on the eating behaviors of adults diagnosed with OCD.

Purpose of the Study:

  • To conduct a scoping review of existing literature on pathological eating behaviors in adults with OCD.
  • To synthesize findings on the prevalence and nature of eating disorders and related behaviors in adults with OCD and/or obsessive-compulsive (OC) symptoms.

Main Methods:

  • Searched major databases including PubMed, Scopus, ScienceDirect, and PsychNet.
  • Followed Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) guidelines for study selection.
  • Included 59 studies that met the eligibility criteria.

Main Results:

  • A high prevalence of eating disorders was observed in adults with OCD and elevated OC symptoms.
  • The specific eating disorders most commonly co-occurring with OCD remain inconclusive.
  • Many adults with OCD/OC symptoms displayed subclinical eating behaviors, including those resembling avoidant-restrictive food intake disorder and orthorexia nervosa.

Conclusions:

  • Further research is required to identify the underlying factors contributing to problematic eating behaviors in OCD.
  • Treatment modalities for OCD may need adaptation to address these specific eating-related challenges.
  • Investigating subsets of adults with OCD, particularly those with comorbid anxiety and mood disorders, is crucial for risk identification.