On the primary outcome, 31% of head tremor patients in the botulinum toxin group improved by at least 2 points on the Clinical Global Impression of Change (CGI) scale at 18 weeks, compared with 9% in ...

Injection of botulinum toxin into each splenius capitis muscle at baseline and week 12 was more effective than placebo in reducing the severity of essential head tremor over 18 weeks. Effects waned at ...

Sept. 15, 2004 -- Botulinum toxin type A (BoNT-A) injections reduce voice tremor and speech disability in the absence of spasmodic dysphonia or head, mouth, jaw, or facial tremor, according to the ...

Local injections of botulinum toxin are frequently used to treat head tremor, yet randomized trials assessing the effects have been limited. New research findings are summarized in a short video.