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Sodium valproate for tinnitus
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In 1935 Barany serendipitously discovered the temporary relief of tinnitus after lignocaine injection of nasal turbinates.1 Since that time, other agents known to suppress the activity of excitable membranes have been tried, including antiarrhythmic and anti-convulsant drugs. Among such drugs, carbamazepine has the best documented efficacy in patients with a …