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Related Experiment Videos

Reversible valproate-induced choreiform movements.

Dilek Ince Gunal1, Meliha Guleryuz, Canan Aykut Bingol

  • 1Marmara University Faculty of Medicine, Department of Neurology, Turkey. incegunal@yahoo.com

Seizure
|May 23, 2002
PubMed
Summary
This summary is machine-generated.

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Valproate, an anticonvulsant, can rarely cause choreiform movements. This case study shows chorea resolved after discontinuing valproate in a patient with a head trauma history.

Area of Science:

  • Neurology
  • Pharmacology

Background:

  • Valproate is a widely used anticonvulsant medication.
  • Choreiform movements are an infrequent adverse effect of valproate therapy.

Observation:

  • A patient with a history of head trauma experiencing partial and secondary generalized seizures was treated with 1500 mg/day of valproate.
  • Generalized chorea emerged during the second month of treatment.

Findings:

  • Other potential causes of chorea were ruled out.
  • The patient's choreiform movements resolved within two months after slowly discontinuing valproate and initiating lamotrigine (400 mg/day).
  • Head trauma history and concurrent use of another antiepileptic drug were identified as potential risk factors.

Implications:

Related Experiment Videos

  • This case highlights the importance of considering valproate-induced chorea in patients presenting with new-onset choreiform movements.
  • Identifying risk factors such as head trauma and polypharmacy may aid in predicting and preventing this adverse effect.