Dystonic head tremor

Dystonic head tremor is a jerky, often irregular head tremor that occurs in people with cervical (neck) dystonia, in which neck muscles contract involuntarily and pull the head into a turned or tilted position. It is one of the hardest tremors to treat: botulinum toxin injections help many patients, and for those they do not help, deep brain stimulation of thalamic or subthalamic targets has improved dystonic head tremor in published series [1],[2].

Key facts

  • Dystonic head tremor is jerky, irregular head shaking in cervical dystonia.
  • A null point and a sensory trick are typical features.
  • Botulinum toxin is the usual first treatment; its effect lasts about 3–4 months.
  • When tremor dominates, thalamic or subthalamic DBS improves head tremor [1],[2].
  • In our published series, tremor was abolished in 3 of 4 dystonic tremor patients [3].

How to recognize it

Dystonic or essential head tremor?

Dystonic head tremorEssential head tremor
RhythmIrregular, jerkyRegular
Head postureTurned or tiltedNormal
Null point / sensory trickOften presentAbsent
Hand tremorMay be absent or asymmetricUsually present

The distinction matters because the best DBS target differs. See DBS for dystonic head tremor.

Why it is hard to treat

Dystonic tremor has an irregular rhythm and amplitude and is driven by more than one brain circuit [3]. Medication often helps only partly. Botulinum toxin relaxes the overactive muscles but has to be repeated every few months, and over time some people respond less. Thalamic stimulation alone tends to improve the tremor component more than the dystonia itself [3],[4].

Treatment options

In our published double-target series, 3 of 4 patients with dystonic tremor had their tremor abolished, and their dystonia scores improved by 72% on average [3].

When to consider DBS

DBS is considered when injections no longer control the tremor or pulling, when they cause weakness or swallowing difficulty, or when the effect wears off too quickly. The target depends on whether the tremor or the dystonia is the main problem. See DBS for dystonic head tremor.

Patient videos

40 Years of Head Tremor, 3 Years After DBS: Lasting Relief Play video: 40 Years of Head Tremor, 3 Years After DBS: Lasting Relief
40 Years of Head Tremor, 3 Years After DBS: Lasting Relief — A patient with 40 years of head tremor, three years after DBS.
Shared with the patient’s written consent. Individual results vary.
Head Tremor Before & After DBS: A 43-Year-Old from Uzbekistan Play video: Head Tremor Before & After DBS: A 43-Year-Old from Uzbekistan
Head Tremor Before & After DBS: A 43-Year-Old from Uzbekistan — A 43-year-old patient from Uzbekistan treated for head tremor.
Shared with the patient’s written consent. Individual results vary.
Progressing Tremor Before & After DBS: A 42-Year-Old from Uzbekistan Play video: Progressing Tremor Before & After DBS: A 42-Year-Old from Uzbekistan
Progressing Tremor Before & After DBS: A 42-Year-Old from Uzbekistan — A 42-year-old patient from Uzbekistan treated with DBS for a progressing tremor; an example of “yes-yes” head tremor.
Shared with the patient’s written consent. Individual results vary.
Head Tremor 5 Years After DBS: Still Free of Shaking Play video: Head Tremor 5 Years After DBS: Still Free of Shaking
Head Tremor 5 Years After DBS: Still Free of Shaking — A head tremor patient five years after deep brain stimulation; an example of “no-no” head tremor.
Shared with the patient’s written consent. Individual results vary.
Visible Head Tremor Before & After DBS in Turkey Play video: Visible Head Tremor Before & After DBS in Turkey
Visible Head Tremor Before & After DBS in Turkey — A patient whose head tremor was visible to everyone, before and after DBS.
Shared with the patient’s written consent. Individual results vary.
Watch many more head tremor patientsOur YouTube playlist: many head tremor patients filmed before and after DBS

Open the head tremor video library on this site.

Frequently asked questions

Can dystonic head tremor go away on its own?
Occasionally cervical dystonia improves spontaneously, but in most people it persists and needs treatment.
Do botulinum toxin injections stop dystonic head tremor?
They reduce pulling and tremor in many patients. The effect lasts about three to four months, so injections must be repeated, and some patients respond less over time.
If my head pulls only to one side, is one-sided surgery enough?
Occasionally a clearly one-sided dystonic tremor can be treated on one side. Because these conditions tend to progress, we usually recommend treating both sides.
Is dystonic head tremor the same as torticollis?
Torticollis (cervical dystonia) is the twisting of the neck; dystonic head tremor is the shaking that often comes with it.

Sources

  1. Pauls KA, et al. Deep brain stimulation in the ventrolateral thalamus/subthalamic area in dystonia with head tremor. Mov Disord 2014;29(7):953–960. doi.org/10.1002/mds.25884
  2. Thalamic deep brain stimulation for dystonic head tremor: a long-term study of 18 patients. Mov Disord Clin Pract. onlinelibrary.wiley.com/doi/abs/10.1002/mdc3.70266
  3. Yilmaz A, Eray HA, Cakir M, Ceylan M, Blomstedt P. Deep Brain Stimulation with Double Targeting of the VIM and PSA for the Treatment of Rare Tremor Syndromes. Stereotact Funct Neurosurg 2024;102:224–239. DOI 10.1159/000539162. pubmed.ncbi.nlm.nih.gov/38934181/
  4. Tsuboi T, Au KLK, Deeb W, Almeida L, Foote KD, Okun MS, Ramirez-Zamora A. Motor outcomes and adverse effects of deep brain stimulation for dystonic tremor: a systematic review. experts.umn.edu/en/publications/motor-outcomes-and-adverse-effects-of-deep-brain-stimulation-for-/

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