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
- Irregular, jerky rather than smooth shaking
- The head turns, tilts or pulls to one side
- A null point — a head position where the tremor stops
- A sensory trick — lightly touching the chin, cheek or back of the head eases it
- Neck pain and muscle tightness
Dystonic or essential head tremor?
| Dystonic head tremor | Essential head tremor | |
|---|---|---|
| Rhythm | Irregular, jerky | Regular |
| Head posture | Turned or tilted | Normal |
| Null point / sensory trick | Often present | Absent |
| Hand tremor | May be absent or asymmetric | Usually 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
- Botulinum toxin injections into the overactive neck muscles — the usual first treatment
- Physiotherapy for posture, stretching and pain
- Oral medication — partial benefit in some people
- Deep brain stimulation — GPi when dystonia dominates; Vim/PSA (often double target) when the tremor dominates
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
Play video: 40 Years of Head Tremor, 3 Years After DBS: Lasting Relief
Play video: Head Tremor Before & After DBS: A 43-Year-Old from Uzbekistan
Play video: Progressing Tremor Before & After DBS: A 42-Year-Old from Uzbekistan
Play video: Head Tremor 5 Years After DBS: Still Free of Shaking
Play video: Visible Head Tremor Before & After DBS in Turkey
Open the head tremor video library on this site.
Frequently asked questions
Can dystonic head tremor go away on its own?
Do botulinum toxin injections stop dystonic head tremor?
If my head pulls only to one side, is one-sided surgery enough?
Is dystonic head tremor the same as torticollis?
Sources
- 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
- 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
- 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/
- 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-/
