Obsessive-Compulsive & Related Disorders - Differential Diagnosis Algorithm



Non-Specific Obsessions and/or Compulsions

 - Obsessive Compulsive Disorder - Intrusive/ Inappropriate/ Distressing Thoughts With Repetitive Behaviour Meant to Neutralize Anxiety



Specific Obsessions or Compulsions:

 - Body Dysmorphic Disorder - Preoccupation with Perceived Physical Appearance

 - Trichotillomania - Hair Pulling

 - Excoriation Disorder - Skin Picking

 - Hoarding Disorder - Difficulty Discarding Possessions



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