Imipramine-induced tremor: effects of a beta-adrenergic blocking agent.

Assessment of an elderly depressed patient with an imipramine-induced tremor led to the conclusions that imipramine tremor (1) can be severe and incapacitating, (2) is most pronounced early in the treatment, (3) does not seem to be dose-related, and (4) is readily reversible with a beta-adrenergic blocking agent.