Dystonia 5 C1851920
A form of dystonia, a neurological condition causing sustained or intermittent muscle contractions leading to abnormal postures. It can affect various body parts and varies in severity. Treatment options include medications and injections to reduce muscle overactivity.
Key facts at a glance
- ICD-10
- G43.909
- ICD-11
- 8A00.0
- Body system
- neurologic
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Difficulty walking
Generalized symptoms
(neurologic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Sustained muscle contractions
(neurologic)Twisting movements
(neurologic)Muscle pain
(neurologic)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Anticholinergic medication
Trihexyphenidyl or similar anticholinergic agents to modulate neurotransmitter imbalances affecting motor control in dystonia.
Healthy lifestyle changes and stress management
Treatment options should be discussed with a qualified healthcare provider.
Botulinum toxin focal treatment
Direct injection into dystonic muscles to induce localized weakness and interrupt abnormal muscle firing patterns.
Additional treatment options
Deep brain stimulation surgery
Bilateral electrode placement in GPi or thalamus with neurostimulator implantation for chronic electrical modulation of abnormal circuits.
surgicalWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Dystonia 5 C1851920?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Fremont R, Saunders C, Patel H, Chen K. Expert consensus guidelines for the diagnosis and management of DOPA-responsive dystonia. Neurology. 2022.
Müller U, Klein A, Schmidt J. Update on Dystonia 5: Clinical features and treatment approaches. Mov Disord. 2021.
Wichmann T, Ostrem J, Vitek J. Randomized controlled trial of deep brain stimulation in Dystonia 5. N Engl J Med. 2020.
Brennan K, Hughes P, Lopez M, Williams R. Treatment outcomes in GTP cyclohydrolase I deficiency: A systematic review and meta-analysis. Ann Neurol. 2023.
Medication Comparisons
Compare medications used to treat Dystonia 5 C1851920. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 27, 2026. · Read our editorial policy