[Transient Parkinson syndrome and tremor caused by the use of sodium valproate].

From 1986 till 1988, 88 patients received sodium valproate for the first time as a therapy for epilepsy. One of them developed a fine tremor, three a coarse tremor with a cogwheel phenomenon, two developed a full parkinsonian syndrome. All these symptoms in these six patients disappeared completely or nearly completely after changing to another anti-epileptic drug or reducing the dose.