Skip to content

Adult Refsum Disease Cn382123

Published: July 22, 2026Updated: August 27, 2026

A rare genetic disorder affecting fat metabolism, causing nerve damage, vision loss, and coordination problems. Treatment involves restricting phytanic acid in the diet and sometimes blood filtering procedures.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 27, 2026Editorial policy

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

!

Cardiac arrhythmia

Generalized symptoms

(neurologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Retinitis pigmentosa

(neurologic)

Peripheral polyneuropathy

(neurologic)

Cerebellar ataxia

(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

Combination drug regimen with regular assessment

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

medication
2

Phytanic Acid Restriction

Strict lifelong dietary avoidance of foods high in phytanic acid including dairy, ruminant meats, and certain fish. Consultation with a metabolic dietitian is essential for safe and nutritionally adequate meal planning.

dietary
3

Metabolic and Clinical Monitoring

Regular measurement of phytanic acid levels, neurological examinations, ophthalmologic assessments, and cardiac evaluation to track disease progression and treatment efficacy.

monitoring

Additional treatment options

Plasmapheresis for Acute Exacerbations

Extracorporeal removal of phytanic acid during acute neurological worsening or when dietary restriction alone is insufficient to control disease activity.

procedure

Vitamin A Supplementation

Supplementation with vitamin A and related compounds may help manage retinitis pigmentosa-related visual symptoms in some patients with underlying vitamin A deficiency.

medication

Rehabilitative Support for Neuropathy

Physical therapy focusing on balance, strength, and gait training to address peripheral neuropathy symptoms and maintain functional mobility and independence.

physical_therapy

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 Adult Refsum Disease Cn382123?

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

general

Sources and references

Authoritative medical sources used to create this content.

1

Huyghe T, Wanders RJA, Waterham HR. Clinical practice guidelines for peroxisomal disorders. Orphanet J Rare Dis. 2022.

guideline2022
2

Moser AB, Steinberg SJ, Jones RO. Refsum disease and peroxisomal disorders. Mol Genet Metab. 2021.

review2021
3

Sato M, Klarenbeek HJ, Jansen GA. Dietary intervention trial in adult Refsum disease patients. J Inherit Metab Dis. 2020.

clinical_trial2020
4

Van Vliet K, Gootjes J, Brites P. Neurological manifestations of adult Refsum disease. Curr Neurol Neurosci Rep. 2023.

review2023

Medication Comparisons

Compare medications used to treat Adult Refsum Disease Cn382123. 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 27, 2026. · Read our editorial policy