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Mental Health Center

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Tourette's Disorder - Topic Overview

What is Tourette's disorder?

Tourette's disorder is a brain condition that starts in childhood. Children with Tourette's make sounds or movements-such as coughing or twitching-that they can't control. These are called tics.

Tics usually start at about age 2. They may be at their worst by age 12. Tics tend to decrease during teenage years. They can continue into adulthood but occur less often and are less severe than in childhood.

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What causes Tourette's disorder?

Tourette's tends to run in families. Other things that may increase the risk include:

  • A mother who had severe nausea and vomiting during the first trimester of pregnancy, was under severe stress during her pregnancy, or who drank a lot of coffee, smoked cigarettes, or drank alcohol during her pregnancy.
  • Not having enough oxygen or blood supply during birth.
  • A low birth weight and signs of brain injury or an enlarged section of the brain.
  • A lower birth weight than an identical twin.

What are the symptoms?

Most children with Tourette's have different patterns of tics. The tics may not be obvious. They can be bursts of movement or sounds that last for seconds or minutes.

Tics can include:

  • A slight twitching of the eyes.
  • Jerking of the neck.
  • Coughing or throat-clearing.
  • A mix of movements and sounds.

It's common for a person who has Tourette's to feel an urge in some part of the body that builds and builds. This urge can only be relieved by performing the tic. But not everyone with the disorder is aware of these urges.

How is Tourette's disorder diagnosed?

A doctor can diagnose Tourette's based on your child's medical history and symptoms. The doctor may want to know if tics are causing school or social problems for your child.

There are no tests to diagnose Tourette's. But in some cases an electroencephalogram (EEG), a CT scan, or blood tests may be done to check for other health problems. Your doctor may also check for attention deficit hyperactivity disorder (ADHD), obsessive-compulsive disorder (OCD), or other learning or behavior problems. These problems sometimes occur along with Tourette's disorder.

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