Tic Disorders

Note

• A tic is a sudden, rapid, recurrent, nonrhythmic motor movement or vocalization.

TOURETTE DISORDER

• A) Both multiple motor and one or more vocal tics have been present at some time during the illness, although not necessarily concurrently. B) The tics may wax and wane in frequency but have persisted for >1 yr since first tic onset. C) Onset is before age 18 yr. D) The disturbance is not attributable to the physiologic effects of a substance (e.g., cocaine) or another medical condition (e.g., Huntington disease, postviral encephalitis).

PERSISTENT (CHRONIC) MOTOR OR VOCAL TIC DISORDER

• A) Single or multiple motor or vocal tics have been present during the illness, but not both motor and vocal. B) The tics may wax and wane in frequency but have persisted for >1 yr since first tic onset. C) Onset is before age 18 yr. D) The disturbance is not attributable to the physiologic effects of a substance (e.g., cocaine) or another medical condition (e.g., Huntington disease, postviral encephalitis) E) Criteria have never been met for Tourette disorder.

Specify if:

• With motor tics only With vocal tics only

PROVISIONAL TIC DISORDER

• A) Single or multiple motor and/or vocal tics B) The tics have been present for <1 yr since first tic onset. C) Onset is before age 18 yr. D) The disturbance is not attributable to the physiologic effects of a substance (e.g., cocaine) or another medical condition (e.g., Huntington disease, postviral encephalitis). E) Criteria have never been met for Tourette disorder or persistent (chronic) motor or vocal tic disorder.