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Related Experiment Videos

Tardive eating dystonia.

A Achiron1, E Melamed

  • 1Department of Neurology, Beilinson Medical Center, Tel-Aviv University, Petach-Tiqva, Israel.

Movement Disorders : Official Journal of the Movement Disorder Society
|January 1, 1990
PubMed
Summary
This summary is machine-generated.

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A 77-year-old man experienced severe eating-related dyskinetic-dystonic movements after stopping long-term haloperidol treatment. These involuntary movements primarily affected the tongue, jaw, and eyelids, impacting his ability to feed.

Area of Science:

  • Neurology
  • Pharmacology
  • Movement Disorders

Background:

  • Long-term antipsychotic medication use, particularly with typical agents like haloperidol, is associated with various neurological side effects.
  • Tardive syndromes, including tardive dyskinesia, are known complications of dopaminergic system modulation by antipsychotics.

Observation:

  • A 77-year-old male patient presented with severe involuntary movements of the tongue, jaw, and eyelids.
  • These orofacial movements, characterized as dyskinetic and dystonic, occurred exclusively during mastication and swallowing.
  • The patient had a history of long-term haloperidol treatment, which was recently discontinued.

Findings:

  • The patient developed severe orofacial dyskinetic-dystonic movements, specifically oromandibular dystonia and blepharospasm, upon cessation of haloperidol.

Related Experiment Videos

  • These movements were task-specific, manifesting only during the act of eating and significantly interfering with feeding.
  • No spontaneous involuntary movements or movements during other orofacial muscle activations were observed.

    • Implications:

    • This case highlights a potential variant of tardive syndromes presenting with task-specific orofacial dystonia after antipsychotic withdrawal.
    • Understanding the specific triggers and phenomenology is crucial for accurate diagnosis and management of post-haloperidol movement disorders.
    • Further research is warranted to elucidate the neurobiological mechanisms underlying such specific, food-related movement abnormalities.