Effect of propranolol on essential tremor.
Teräväinen H, Fogelholm R, Larsen A·Neurology
The investigators tested the effect of 120 mg propranolol daily on 21 patients with essential tremor using a double-blind cross-over method and electrical recording of tremor amplitude and frequency. The patients varied in age between 15 and 60 years and had a mean tremor frequency of 10 cps. Propranolol had no effect…