There's no known cause, but some research indicates that tic disorders
may be inherited or could be linked to the chemicals in the brain that transmit nerve signals to your cells (neurotransmitters).
Two studies included in the meta-analysis assessed patients with comorbid tic disorders
and found no difference by treatment.
Nonprofit organization working to make life better for all people affected by Tourette and tic disorders
They discuss developmental considerations for evidence-based practices for youth and evidence-based assessment and case formulation, then specific disorders: depression and suicidality, bipolar disorder, anxiety disorders, phobias, panic disorder, posttraumatic stress disorder, obsessive-compulsive disorder, disruptive behavior disorders, attention-deficit/hyperactivity disorder, eating disorders, substance use disorders, and tic disorders
ADHD with comorbid tic disorders
show disruptive behaviour and high functional impairment.
Therapeutic plasma exchange and intravenous immunoglobulin for obsessive-compulsive disorder and tic disorders
Association of tic disorders
with poor academic performance in central Spain: a population-based study.
There is no other family history of neurodevelopmental disorders, including no obsessive compulsive disorder (OCD), Tourette's disorder, or other chronic tic disorders
The differantial diagnosis of chronic cough in children should include tic disorders
as well as psychogenic cough.
Founded in 1972, the Tourette Association of America is dedicated to making life better for all individuals affected by Tourette and Tic Disorders
Phenomenology of tics and natural history of tic disorders
Coffey, director of the Institute for Tourette and Tic Disorders
at New York University Langone Medical Center.