How and Why Tics Affect People With ADHD

How and Why Tics Affect People With ADHD

ADHD and Tics, and Tourette Syndrome

With contributions from Alexander B.

Do you have a child with attention deficit hyperactivity disorder (ADHD) and notice they frequently blink their eyes, lick their lips or make a specific noise? Sometimes ADHD and tics, and even Tourette syndrome may occur together.

What Is a Tic Disorder?

Simple tics are sudden, repetitive and involuntary movements or vocalizations, and are experienced by as many as one in five children. In most cases, they are mild and temporary, but in other cases, they can last more than a year and become chronic.

Common tics involving the movements (also known as motor tics) include eye blinking or rolling, lip licking, neck jerking, facial grimacing, and shoulder shrugging. Vocal tics manifest as throat clearing, sniffing, and grunting, coughing, barking, squeaking, abnormal belching, or repeating certain words or phrases.

Scientists suggest that the impulsive actions associated with both ADHD and tics involve a disinhibition of undesired behaviors involving emotion, sensation, movements, and cognition.

Chronic tics will naturally come and go over days, weeks, and months, and are more frequent and severe during stressful periods or when experiencing ADHD mental fatigue.

Should Tics be a Concern?

It depends, but not usually.

Depending on their seriousness, tics are either “simple” or “complex.” Simple tics are harmless (i.e., eye rolling) and won’t cause issues. But complex tics (i.e., grunting) can cause problems and may need treatment.

What Is Tourette Syndrome?

Tourette syndrome is a genetic disease characterized by chronic, long-lasting motor and vocal tics. Children with ADHD, obsessive-compulsive disorder or learning problems are more likely to have co-existing Tourette syndrome or simple tics.


An estimated seven percent of ADHD children have Tourette syndrome and 60 percent of children with Tourette syndrome have ADHD.

The Connection Between ADHD and Tics

Here are the facts:

  • 50 percent of children with tics have ADHD.
  • 20 percent of children with ADHD have tics.
  • Tics and ADHD originate in the brain.
  • ADHD and tics are hereditary.

As you can see, there’s a startling connection between tics and ADHD. Unlike ADHD, tics tend to be mild, so it’s difficult to trace which family member tics come from.

However, tics often disappear without treatment once a child grows older.

In people with ADHD, stimulant medications may make tics more common. Sometimes children start having tics after taking stimulants.

How to Manage ADHD and Tics

It’s best to manage tics, as studies reveal that children with ADHD and Tourette syndrome appear to have poorer social adaptation, are at higher risk to be bullied, and have more anxiety and depression as well as aggression and delinquency compared with those children who have Tourette disease alone.

Tics are so common and harmless there are no exact medical guidelines on how to manage them. Most treatment providers will instruct you to do nothing because tics usually go away without treatment. But if you or one of your loved ones has tics, there are things you can do to help.

The thing about tics is they come and go during a two-week cycle. During this cycle, the surest way to get the tics to disappear is to stop drinking caffeine. Half of all people with tics who stop drinking caffeine no longer have tics.

It’s also a good idea to refrain from anything physically or mentally stressful during this two week period. As long as a person stays calm, well rested, and caffeine free, the tics should go away within two weeks.

If tics persist for more than a year, they are chronic tics. Chronic tics may be Tourette Syndrome.

Behavioral Therapy for ADHD and Tics

There is no need for medication in most cases of Tourette syndrome or other tic disorders associated with ADHD because a special form of behavioral therapy – called Comprehensive Behavioral Intervention for Tics or CBIT – is quite effective and can significantly reduce tics.

During this therapy, parents learn strategies on how to reduce the severity of tics and deal with school problems such as bullying. These sessions will help the parents better understand the child’s tics and the urge to tic. Next, the child will learn how to perform certain behaviors to make that tic more difficult to do as soon as the urge is noted.

For example, if the child has a vocal tic like throat clearing, he will learn how to breathe lower and rhythmically when he feels the urge to clear his throat.

This technique alone can improve or even completely eliminate the tic if the child practices regularly. The standard treatment involves eight sessions over ten weeks, although it can be shorter or longer based on the child’s needs. CBIT is taught by a trained psychologist, doctor, nurse or social worker.

Doctors used to delay ADHD treatment until tics were improved, but newer research indicates that stimulant drugs do not exacerbate tics and can be given at any time.


Contemporary Pediatrics (Attention Deficit Hyperactivity Disorder and Co-Occurring Tics)

Tourette Syndrom Association Inc (Comprehensive Behavioral Intervention for Tics)

National Institutes of Health (The influence of different food and drink on tics in Tourette syndrome.)

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