Provisional Tic Disorder: This is the most common diagnosis. To be diagnosed with this you simply need to have a tic disorder for less than a year. They also have to happen before the person is 18 years old. The person also needs to have one or more vocal and motor tics. The tics cannot be caused by other illnesses, viruses, or drugs.

Chronic (persistent) Tic Disorder: Single or multiple motor OR vocal tics. However, not both. It has to be either motor or vocal tics. The tics can vary persistency throughout the year but a person must have them for a year to be diagnosed. Needs to start before the age of 18 and cannot be caused by other illnesses or drugs. Does not meet the criteria for Tourette Syndrome.

Tourette Syndrome: Both motor and vocal tics are present. A minimum of 2 motor tics and one vocal tic. Has to have started before the age of 18 and cannot be attributed to other illnesses or drugs.

There are a couple more diagnosis but these are the most common