Which comorbid diagnoses are frequently encountered in patients with obsessive-compulsive disorder (OCD)?

Updated: May 17, 2018
  • Author: William M Greenberg, MD; Chief Editor: David Bienenfeld, MD  more...
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The most common medical pitfall in the treatment of OCD is a failure to make the diagnosis. Clinicians should be familiar with the diagnostic criteria and consider OCD in their differential when evaluating tics, mood and anxiety disorders, or other compulsive behaviors, such as trichotillomania or neurodermatitis.

Another common pitfall is the failure to identify the comorbid diagnoses frequently encountered in patients with OCD. These can include the following:

  • Major depressive disorder (30-70%)

  • Panic disorder (14%, 35% lifetime incidence)

  • Body dysmorphic disorder (14.5%)

  • Generalized anxiety disorder (20%)

  • Social phobia and simple phobia (24%)

  • ADHD

  • Tourette syndrome (5-7%)

  • Other tic disorders (20-30%)

  • Trichotillomania

  • Neurodermatitis

  • Idiopathic torticollis

  • Substance abuse

  • Eating disorders

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