Persistent dystonia possibly induced by flecainide.
A 55-year-old man developed clicking of his teeth, involuntary biting, chewing and grimacing within three days of initiation of flecainide. We suggest flecainide should be added to the list of benzamide derivatives associated with drug-induced movement disorders.
Miller
L G
LG
Department of Family Medicine, Baylor College of Medicine, Houston, Texas 77005.
Jankovic
J
J
D002012:Bruxism / Q000139:chemically induced; D004409:Dyskinesia, Drug-Induced / Q000175:diagnosis / Q000209:etiology*; D004421:Dystonia / Q000139:chemically induced*; D005424:Flecainide / Q000009:adverse effects* / Q000627:therapeutic use; D006352:Heart Ventricles / Q000187:drug effects; D006801:Humans; D008297:Male; D008409:Mastication / Q000187:drug effects; D008875:Middle Aged; D009460:Neurologic Examination; D013610:Tachycardia / Q000188:drug therapy*
D005424:Flecainide