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Summary
Elderly women using thiethylperazine for dizziness developed tardive dyskinesia, a movement disorder. This adverse drug reaction may be more common in geriatric outpatients than previously thought.
Area of Science:
- Geriatric Medicine
- Pharmacology
- Neurology
Background:
- Thiethylperazine is prescribed for vertigo and dizziness.
- Tardive dyskinesia (TD) is a potential side effect of certain medications.
Purpose of the Study:
- To identify cases of tardive dyskinesia associated with thiethylperazine in elderly outpatients.
- To assess the frequency and characteristics of TD in this specific patient group.
Main Methods:
- Observational study over 14 months in a geriatric hospital outpatient department.
- Identification and analysis of 7 female patients over 75 years old diagnosed with TD.
Main Results:
- Seven elderly female outpatients developed tardive dyskinesia linked to thiethylperazine use.
- Onset of TD ranged from 3 weeks to 6 years of treatment.
- Comorbidities included cerebral arteriosclerosis and mild Parkinson's disease in some patients.
Conclusions:
- The association between thiethylperazine and tardive dyskinesia appears to be a notable concern in geriatric outpatients.
- Healthcare providers should be vigilant for TD in elderly patients prescribed thiethylperazine for vertigo or dizziness.