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. 1976 Apr;133(4):444-5.
doi: 10.1176/ajp.133.4.444.

Extrapyramidal side effects in lithium maintenance therapy

M H Branchey, J Charles, G M Simpson

Extrapyramidal side effects in lithium maintenance therapy

M H Branchey et al. Am J Psychiatry. 1976 Apr.

Abstract

The authors neurologically examined 36 patients who had been maintained on lithium therapy for periods ranging from 6 months to 7 years to determine the presence of parkinson-like side effects. Only a few patients demonstrated rigidity, including cogweel rigidity, and this was at a low level of severity. These results do not support the previously reported frequent occurrence of cogwheel rigidity in patients on lithium maintenance.

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