Carbamazepine-induced combined phonic and motor tic in a boy with Down’s syndrome

Case report We report a 71/2-year-old boy with Down's syndrome. There was no family history of movement disorders, epilepsy or other neuropathology. Development had been adequate for a boy with Down's syndrome. There had been no previous neuroleptic or psychostimulant treatment. Two months before admission, the child had shown episodes of staring and stereotyped upward movements of the arms. CBZ was administered because of suspected [...]