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Fragile X Associated Tremor Ataxia Syndrome C1839780

Published: July 22, 2026Updated: August 20, 2026

A neurological condition affecting older adults with a Fragile X gene premutation, causing tremor, balance problems, and cognitive changes. Management involves symptom relief and supportive therapies.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
G43.909
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 gait ataxia

Generalized symptoms

(neurologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Intention tremor

(neurologic)

Peripheral neuropathy

(neurologic)

Cognitive impairment

(neurologic)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

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

1

Pharmacological management with first-line agents

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
2

Tremor and Movement Symptom Control

Pharmacological management of tremor and ataxia symptoms using medications that modulate neurotransmitter function. Treatment is individualized based on symptom severity and tolerability.

medication
3

Balance and Gait Rehabilitation

Specialized physical therapy program focused on improving balance, reducing fall risk, and maintaining mobility. Includes gait training, strengthening exercises, and balance activities.

physical_therapy

Additional treatment options

Progressive Disease Monitoring

Regular neurological assessments to monitor disease progression, assess medication efficacy, and identify emerging symptoms such as cognitive decline or autonomic dysfunction.

monitoring

Neuropsychological Support Services

Cognitive assessment and intervention for executive function deficits, memory problems, and emotional changes associated with FXTAS. Includes coping strategies and family education.

psychological

Fall Prevention and Safety Modifications

Home safety assessment and modifications including grab bars, shower chairs, and mobility aids. Education on fall prevention strategies and energy conservation techniques.

lifestyle

When 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.

Q

What is Fragile X Associated Tremor Ataxia Syndrome C1839780?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Medication Comparisons

Compare medications used to treat Fragile X Associated Tremor Ataxia Syndrome C1839780. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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 20, 2026. · Read our editorial policy