Parents may first notice frequent blinking.
Then perhaps a facial movement, shoulder shrug, throat clearing, sniffing, or repeated sound.
These behaviors may be tics.
Tics are sudden, recurrent movements or sounds that a person performs repeatedly. They can change in type, frequency, and intensity over time.
Not every child with a tic has Tourette Syndrome.
In fact, there are several different tic disorder diagnoses.
What are motor tics?
Motor tics involve movement.
Examples may include eye blinking, facial movements, head movements, shoulder shrugging, touching, or other repeated movements.
What are vocal tics?
Vocal tics involve sounds produced by the person.
Examples can include throat clearing, sniffing, humming, coughing-like sounds, or words.
The specific tic can change over time.
What is Tourette Syndrome?
For a diagnosis of Tourette Syndrome, a person has a history of multiple motor tics and at least one vocal tic, with tic symptoms persisting for more than one year and beginning before age 18.
The motor and vocal tics do not necessarily need to occur at exactly the same moment.
What is Persistent Motor or Vocal Tic Disorder?
In this diagnosis, the child has motor tics OR vocal tics, but not the combination required for Tourette Syndrome.
Symptoms have persisted for more than one year.
What is Provisional Tic Disorder?
When motor tics, vocal tics, or both have been present for less than one year, the diagnosis may be Provisional Tic Disorder.
This is why the timeline matters when a child is first evaluated.
Are tics intentional?
Tics should not simply be interpreted as intentional misbehavior.
Some children describe an uncomfortable sensation or “urge” before a tic and temporary relief after performing it.
Others, particularly younger children, may have limited awareness of their tics.
Tics can also fluctuate. A tic may temporarily become less noticeable and later increase again or be replaced by a different tic.
How are tic disorders diagnosed?
There is no single blood test, brain scan, or laboratory test that diagnoses Tourette Syndrome or another tic disorder.
The diagnosis is primarily clinical and depends on the type of tics, age of onset, duration, clinical history, and exclusion of other explanations.
Can tic disorders occur with other diagnoses?
Yes.
ADHD, anxiety, and Obsessive-Compulsive Disorder frequently occur alongside tic disorders and may sometimes create more day-to-day difficulty than the tics themselves.
Identifying the exact tic disorder and any co-occurring conditions helps families understand what they are seeing rather than assuming every repetitive movement or sound has the same cause.
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