Cervical dystonia is a neurological movement disorder that causes the muscles in the neck to contract involuntarily. This can cause the head to turn, tilt or pull into an uncomfortable position and may also lead to neck pain, stiffness, muscle spasms or head tremor.
Cervical Dystonia and Bruxism
Cervical dystonia is a neurological movement disorder that causes the neck muscles to contract involuntarily. These muscle contractions can lead to abnormal head positions, neck pain, and difficulty maintaining normal posture.
Overview
What is cervical dystonia?
In many cases, the exact cause of cervical dystonia is unknown. It’s thought to involve abnormal signalling between areas of the brain that control movement. Occasionally, cervical dystonia may develop after neck injury or be associated with neurological conditions such as brain injury, cerebral palsy, stroke, or Parkinson’s disease.
The condition can significantly affect comfort, movement, and quality of life. Maintaining good posture and avoiding prolonged fixed positions may help reduce discomfort.
Fortunately, effective treatment is available to help manage symptoms and improve function.
Symptoms
Common symptoms
Symptoms vary between individuals but may include:
- Abnormal positioning or twisting of the head and neck
- Neck muscle spasms
- Neck pain and stiffness
- Head tremor, jerking, or shaking
- Difficulty holding the head in a neutral or comfortable position
- Headaches or migraine
- Thoracic outlet syndrome
- Bruxism (teeth grinding) or temporomandibular joint (TMJ) dysfunction
Symptoms may range from mild to severe and can change over time.
bruxism
A multidisciplinary approach to bruxism
Bruxism (teeth grinding or clenching) can have a number of contributing factors and is often best managed with a multidisciplinary approach. Depending on your individual needs, treatment may involve collaboration between your dentist, rehabilitation medicine therapist, physiotherapist and other healthcare professionals. Management may include dental assessment and protection of the teeth, treatment of jaw and neck muscle dysfunction, strategies to address contributing factors, and in selected cases, botulinum toxin injections to reduce excessive muscle activity and associated pain.
How we help
Available treatment options
Treatment is tailored to the individual and may include a combination of therapies aimed at reducing muscle overactivity and improving function. Management may include:
Botulinum toxin (Botox) injections
Physiotherapy and rehabilitation therapy
Medications
To help reduce muscle spasms, stiffness, and involuntary movements, improving comfort and supporting easier movement in everyday activities.
Supportive therapies
Cervical Dystonia
When to seek assessment
If you are experiencing persistent neck pain, involuntary head movements, or difficulty maintaining normal head posture, an assessment may be helpful.
Early evaluation can assist with diagnosis and allow appropriate treatment to begin sooner, which may help prevent worsening symptoms and improve comfort and function.
You may benefit from specialist assessment if you notice:
- Ongoing neck pain or muscle tightness
- Head turning, tilting, or pulling to one side
- Tremor or shaking of the head
- Difficulty keeping your head in a comfortable position
- Symptoms that are affecting daily activities, work, or sleep
Referrals are welcome from GPs, neurologists, and allied health professionals.
Treatments
Botulinum Toxin
Botulinum toxin (Botox) injections are a well-established and effective treatment for cervical dystonia. The medication works by temporarily relaxing the overactive neck muscles responsible for abnormal postures and spasms. Treatment can help:
- Reduce muscle spasms
- Improve head and neck positioning
- Decrease pain and discomfort
- Improve daily function and quality of life
Injections are carefully targeted to the affected muscles and are typically repeated every 3–4 months depending on individual response.
Botulinum toxin treatment is often combined with physiotherapy and rehabilitation strategies to achieve the best outcomes.
Related Conditions
Bruxism
Bruxism is the involuntary grinding or clenching of the teeth. It most commonly occurs during sleep but can also happen during waking hours. Bruxism is often associated with stress, anxiety, or sleep disorders such as sleep apnoea. Common symptoms may include:
- Worn or damaged tooth enamel
- Chipped or cracked teeth
- Jaw or facial pain
- Tight or fatigued jaw muscles
- Morning headaches
Treatment depends on the underlying cause and severity of symptoms. Management may include dental mouthguards, addressing contributing factors such as stress or sleep disorders, and in some cases botulinum toxin (Botox) injections or medication to reduce overactive jaw muscles.
More information
Frequently asked questions
What is cervical dystonia?
What is the best treatment for cervical dystonia?
Treatment depends on your symptoms and how they affect your everyday life. Botulinum toxin (Botox) injections are commonly used to treat cervical dystonia by relaxing specific overactive muscles. Physiotherapy, rehabilitation strategies and medication may also form part of your treatment plan.
Does Botox help cervical dystonia?
Botulinum toxin injections can help reduce the involuntary muscle contractions associated with cervical dystonia. For many people, this can improve head and neck positioning, reduce spasms and pain, and make everyday movement more comfortable. Treatment is targeted to the affected muscles and generally needs to be repeated periodically.
Can physiotherapy help cervical dystonia?
Yes. Physiotherapy can complement medical treatment by addressing movement, posture, strength and function. Your physiotherapist can also help develop practical strategies for managing symptoms during everyday activities. Treatment should be individualised, as cervical dystonia affects everyone differently.
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