Skip to Content
Medical Term:


Pronunciation: tik

Definition: Habitual, repeated contraction of certain muscles, resulting in stereotyped individualized actions that can be voluntarily suppressed for only brief periods, clearing the throat, sniffing, pursing the lips, excessive blinking; especially prominent when the person is under stress; there is no known pathologic substrate.

Synonym(s): Brissaud disease, habit chorea, habit spasm


See Also: spasm

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.