Involve uncontrollable thoughts (obsessions) and repetitive behaviors (compulsions)

Examples include:

  • Obsessive-Compulsive Disorder (OCD): Repetitive thoughts and actions like cleaning, checking, or counting.

  • Body Dysmorphic Disorder: Obsession with perceived flaws in physical appearance.

  • Hoarding Disorder: Difficulty discarding items regardless of value.

  • Trichotillomania: Repetitive hair-pulling.

  • Excoriation (Skin-Picking) Disorder: Repeated skin-picking causing sores.

Treatment: Cognitive-behavioral therapy (especially Exposure and Response Prevention), SSRIs (antidepressants), and habit-reversal training.

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Anxiety Disorders
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Trauma- and Stressor-Related Disorders