Tinnitus: a double-blind crossover controlled trial to evaluate the use of lignocaine

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Abstract
A double-blind crossover controlled trial assessing the use of i.v. lignocaine [local anesthetic] in the treatment of tinnitus is reported. Possible modes of action of the drug are suggested. It is shown that i.v. lignocaine is effective in reducing tinnitus, although duration of such effect is short. Consistently effective oral preparations to control tinnitus are yet to be described.

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