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A. Reches, MD; J. Tietler, MD; S. Lavy, MD
Department of Neurology Hadassah University Hospital Jerusalem, Israel

Arch Neurol. 1981;38(7):471.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

To the Editor.—

The various side effects of long-term therapy with lithium carbonate are well characterized.¹ Motor disturbances due to prolonged lithium carbonate administration include fine postural tremor² and rigidity.^3-5 These are usually mild and do not necessitate the withdrawal of the drug.

We studied a patient given longterm treatment with lithium carbonate in whom severe parkinsonism developed that resolved after discontinuation of the drug.

Report of a Case.—

A 62-year-old man received treatment with lithium carbonate, 1,200 mg/day, for "depression." Blood lithium levels while on this regimen were not available. Approximately one year later, a diagnosis of Parkinson's disease was made because of progressive hypokinesia and increased muscular tone. Therapy with amantadine hydrochloride (300 mg/day) was begun, but the patient's condition continued to deteriorate. He had fine postural tremor, progressive muscular rigidity, bradykinesia, and loss of postural reflexes that severely limited his daily activities. For the . . . [Full Text PDF of this Article]

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