Functional tics are dramatic, involuntary movements or sounds usually made in response to a trigger. While similar to other tic disorders, they have different causes and treatment options. Functional ...

Obsessive-compulsive disorder (OCD) is a mental health condition that involves repetitive thoughts and behaviors. If you have OCD, you might also experience tics or disruptive involuntary sounds or ...

Tics are irregular, uncontrollable, and repetitive movements of muscles that can occur in any part of the body. Types of tic disorders include motor, vocal, and Tourette’s syndrome. Movements of the ...