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What is Obsessive-Compulsive and Related Disorders in DSM-5?

Obsessive compulsive disorder in DSM 5 changes are examined along with new OCD disorders in Obsessive Compulsive and Related Disorders chapter.

Obsessive-compulsive disorder in DSM 5 has undergone a significant change since DSM 4. The board of trustees of the American Psychiatric Association (APA) approved updates, revisions, and changes to OCD in March 2013. The Diagnostic and Statistical Manual of Mental Disorders, abbreviated DSM-5 or DSM-V, is the reference manual used by mental health professionals to diagnose mental disorders like obsessive-compulsive and related disorders. This recent DSM 5 update represents the most significant update to the manual in almost 20 years.

Obsessive-Compulsive Disorder DSM 5

The updated obsessive-compulsive disorder section in DSM 5 includes a number of disorders, formerly not in the DSM or classified under other diagnoses, now grouped as related conditions under the OCD umbrella. With some controversy, obsessive-compulsive disorder was removed from the anxiety disorders section and given its own chapter.

The term, obsessive-compulsive disorder (OCD), refers to a disorder of the brain that affects behavior. People suffering from OCD experience severe anxiety. OCD involves obsessions and compulsions that require a considerable amount of time, getting in the way of social activities and personal values.

The DSM-5 groups OCD, body dysmorphic disorder, and trichotillomania (hair pulling disorder) together and adds new diagnoses for hoarding disorder and excoriation (skin picking) disorder. The APA believes that grouping this obsessive- compulsive disorder information together will aid clinicians in proper diagnosis and successful treatment of these conditions.

Read the brief below that broadly explains the changes in obsessive-compulsive disorder in DSM 5:

  • OCD removed from the anxiety section of the DSM and given a chapter of its own called Obsessive-Compulsive and Related Disorders.
  • Moved body dysmorphic disorder and trichotillomania (hair pulling disorder), which were scattered in other areas of the DSM to the OCD chapter.
  • Included the new disorders, hoarding and excoriation, previously listed only as possible symptoms of OCD or other disorders.
  • Replaced the word "impulse" with the word "urge" to capture the nature of obsessions more accurately.
  • Replaced the word "inappropriate" with the word "unwanted" when describing OCD obsessions due to concerns that the meaning of the word "inappropriate" can vary widely with culture, gender, age, and other factors.
  • Removed a few criteria from DSM-IV definition of OCD, most notably the criteria requiring that individuals realize that their obsessions and compulsions are unreasonable or excessive.

The APA board of trustees and others involved in the updating process believe that these changes will improve accuracy of diagnosis and, thus, increase the effectiveness of treatments.

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next: Types of OCD (Obsessive-Compulsive Disorders)
~all ocd articles

Last Updated: 03 February 2017
Reviewed by Harry Croft, MD

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