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Harry Douglas Jameson, MD
University of Kentucky Lexington

JAMA. 1970;211(10):1700.

	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.—

Torsion dystonia has been a distressing side effect of the treatment of Parkinson's disease with levodopa (L-DOPA).¹ Several authorities have indicated that pyridoxine interferes with both the desired and the undesirable effects of levodopa. The time necessary for this effect to occur is said to be several days. I have seen this happen in less than 30 minutes with persistent effect.

Report of a Case.—

A 51-year-old man had become so disabled in two years by rigidity, bradykinesia, and stooped posture that he was confined to a nursing home. Tremor was moderate but not a primary problem. Levodopa was begun in increasing doses up to 2 gm four times daily for three weeks. This resulted in abolition of tremor, about 25% improvement in the rigidity and bradykinesia, about 50% improvement in posture, and no undesirable effects. The patient was able to return to complete self-care in . . . [Full Text PDF of this Article]

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