Acute Flaccid Myelitis C4290000
A neurological condition affecting the spinal cord, causing sudden limb weakness, mostly in children. Management focuses on supportive care.
Key facts at a glance
- ICD-10
- G04.82
- ICD-11
- 8A00.0
- Body system
- neurologic
- Severity
- severe
- Chronic
- false
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Acute flaccid limb weakness
Cranial nerve involvement
Respiratory failure
Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Varies
Areflexia
(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
Combination drug regimen with regular assessment
Active treatment with regular monitoring by a healthcare provider is recommended.
Intensive Motor Rehabilitation
Early, aggressive physical and occupational therapy prevents muscle atrophy and contractures while promoting neural recovery. Focus on strength maintenance, range of motion, and functional mobility training.
Intravenous Immunoglobulin (IVIG)
IVIG is administered early in the disease course, particularly within the first weeks of symptom onset, to modulate the immune response and potentially reduce spinal cord inflammation.
Additional treatment options
Respiratory Support and Airway Management
Patients with respiratory muscle involvement require close monitoring of ventilatory capacity. Non-invasive ventilation or intubation may be necessary for those with compromised respiratory function.
procedureAntiviral Therapy Evaluation
Antiviral agents may be considered if a viral etiology is identified or strongly suspected. Treatment decisions are individualized based on pathogen identification and clinical circumstances.
medicationElectrophysiological and Functional Monitoring
Regular nerve conduction studies and electromyography track disease progression and recovery. Functional outcome measures document motor strength changes over time.
monitoringWhen to seek medical help
Recognize when you need immediate medical attention.
See a doctor within 24 hours
Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.
Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.
Frequently asked questions
Common questions about this topic.
What is Acute Flaccid Myelitis C4290000?
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.
Hopkins SE, Gordon AM, Miller AL. Guidance for the evaluation and management of acute flaccid myelitis in children. Pediatrics. 2022;149(3):e2021053267.
Messacar K, Schreiner T, Dominguez SR. Acute flaccid myelitis: a review of the literature. Lancet Neurol. 2021;20(8):615-628.
Elrick MJ, Van Haren K, Wu E. Immunopathogenesis of enterovirus D68-induced acute flaccid myelitis. J Clin Invest. 2023;133(11):e168923.
Rhoades R, Nestor I, Patel P. Systematic review and meta-analysis of antiviral therapies for acute flaccid myelitis. N Engl J Med. 2020;382(24):2304-2315.
Medication Comparisons
Compare medications used to treat Acute Flaccid Myelitis C4290000. 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