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Answer 5
  1. OCD. Comorbidity is common in Tourette’s disorder.1,2,4 While precise prevalence rates are unavailable, it is thought that 50% to 60% of persons with Tourette’s disorder have comorbid OCD. Other common comorbid conditions of Tourette’s disorder include attention deficit-hyperactivity disorder (50%), oppositional defiant disorder (33%), and conduct disorder (33%).4 Mood disorders also frequently complicate Tourette’s disorder and are associated with the social isolation often seen in persons with Tourette’s disorder. Although sometimes considered synonymous with Tourette’s disorder, coprolalia (the sudden outburst of swear words) is a symptom of this condition and is seen in a minority (21%37%) of patients with Tourette’s disorder.

    1. American Psychiatric Association. Diagnostic and statistical manual of mental disorders, 4th ed., text revision. Washington (DC): The Association; 2000.

    2. Sadock BJ, Sadock VA. Synopsis of psychiatry. 9th ed. Philadelphia: Lippincott Williams & Wilkins; 2003:1246-53.

    4. Shavitt RG, Hounie AG, Rosario Campos MC, Miguel EC. Tourette’s syndrome. Psychiatr Clin North Am 2006; 29:471-86.

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