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Tourette syndrome
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Tourette syndrome

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Contributors: Jamie Adams MD, Richard L. Barbano MD, PhD
Other Resources UpToDate PubMed

Synopsis

Tourette syndrome is a neurologic disorder characterized by repeated brief, intermittent, involuntary movements (motor tics) and uncontrollable vocal sounds (vocal tics). The cause of the disease is unknown, but it may be inherited and is more common in those with a family history. It is also more common in males than in females.

Symptoms usually manifest before age 18 and occur in the setting of a normal mental status and clear sensorium. Motor tics most commonly involve the face but can also involve the arms, legs, or trunk. Throat clearing is the most common vocal tic, but other vocalizations including grunting, sniffing, or coprolalia may be present. The movements are partially voluntarily controlled; they may be temporarily suppressible, but afterward, on release, they are often more pronounced. There is often a premonitory urge or sensation prior to the movement.

The severity and extent of the tics can fluctuate greatly over months and years, with periods of relative quiescence. Tics may disappear in adulthood. Inquiry should be made regarding childhood habits, including persistent throat clearing, humming, or twitches. Attention deficit hyperactivity disorder (ADHD), obsessive-compulsive disorder (OCD), and anxiety are common comorbidities of the disease.

For more information, see OMIM.

Codes

ICD10CM:
F95.2 – Tourette's disorder

SNOMEDCT:
5158005 – Gilles de la Tourette's syndrome

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Last Reviewed: 01/03/2019
Last Updated: 01/15/2019
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Tourette syndrome
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Tourette syndrome : Recurring episodes or relapses, Sleep disturbance
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