Onofrj M, Thomas A, Paci C
Dipartimento di Oncologia e Neuroscienze, Clinica Neurologica, Chieti, Italy.
J Neurol. 1998 Dec;245(12):794-6. doi: 10.1007/s004150050288.
We describe two patients who developed levodopa-responsive parkinsonism without dementia at least 4 years after beginning chronic valproate (VPA) treatment for seizures. Parkinsonism disappeared in less than 3 months after VPA substitution with carbamazepine.