Effect of Opium and Heroin Misuse on Chronic Motor Tic Disorder

Tics are sudden, recurrent and stereotyped motor movements or vocalizations. dopamine blockers are themain pharmacological agents used in the management of tics.opioid antagonists have been reported to be effective in the management of tics. in this article, two patientswith chronic motor tic disorder are reported, whose symptoms were disappeared by using opioid substances.iranian journal of psychiatry and behavioral sciences (ijpbs) , volume 1, number 2, autumn and winter 2007: 43-45 .