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Drug-induced tardive syndromes
M Ortí-Pareja1, F J Jiménez-Jiménez, A Vázquez
1Department of Neurology, Hospital Universitario Principe de Asturias, Alcalá de Henares, Madrid, Spain.
Parkinsonism & Related Disorders
|July 2, 2008
Summary
This study identifies drugs causing tardive syndromes (TS), including tardive dyskinesia and dystonia. Antipsychotics and other medications were frequently implicated, with older females more susceptible to these movement disorders.
Area of Science:
- Neurology
- Pharmacology
- Movement Disorders
Background:
- Tardive syndromes (TS) are disabling involuntary movements often linked to dopaminergic medication.
- Identifying causative agents is crucial for diagnosis and management of these neurological conditions.
Purpose of the Study:
- To identify specific drugs associated with the development of various tardive syndromes.
- To analyze patient demographics and clinical features of tardive syndromes.
Main Methods:
- Retrospective review of 100 patients diagnosed with tardive syndromes across five Movement Disorders Units.
- Diagnostic criteria included drug exposure, persistent movement disorders, and exclusion of other causes.
Main Results:
- Antipsychotic drugs, substituted benzamides, thietylperazine, and calcium-channel blockers were the most frequent culprits.
- Buccolinguomasticatory syndrome was most common (72%), followed by tremor (30%) and akathisia (22%).
- Older age and female sex were associated with higher TS risk, except for tardive dystonia.
Conclusions:
- Several drug classes, particularly antipsychotics, are strongly associated with tardive syndromes.
- Understanding these associations aids in diagnosing and potentially preventing drug-induced movement disorders.
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