Juvenile Subacute Hexosaminidase A Deficiency Cn120377
A form of Tay-Sachs disease appearing in childhood. It causes progressive nerve damage leading to movement problems, vision loss, and cognitive decline. Care is supportive and helps manage symptoms.
Key facts at a glance
- ICD-10
- G31.82
- ICD-11
- 8A00.0
- Body system
- neurologic
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Progressive ataxia
Seizures
Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Dysarthria
(neurologic)Cognitive decline
(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
Anticonvulsant therapy for seizure control
Seizure management using appropriate anticonvulsant medications tailored to patient age and seizure type. Regular monitoring of efficacy and side effects is essential.
Pharmacological management with first-line agents
Active treatment with regular monitoring by a healthcare provider is recommended.
Additional treatment options
Passive range of motion exercises
Physical therapy focusing on passive exercises and positioning to maintain joint mobility and prevent contractures.
physical_therapyPsychosocial support for family
Counseling and psychological support services for parents and siblings to address the emotional burden of caring for a child with a progressive condition.
psychologicalWhen 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 Juvenile Subacute Hexosaminidase A Deficiency Cn120377?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication Comparisons
Compare medications used to treat Juvenile Subacute Hexosaminidase A Deficiency Cn120377. 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 25, 2026. · Read our editorial policy