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Glycogen Storage Disease Due To Lactate Dehydrogenase H Subunit Deficiency C3279904

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

A rare glycogen storage disorder affecting energy production during exercise. Patients may experience muscle pain and skin ulcers. Treatment involves activity modification and symptom management.

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

Key facts at a glance

ICD-10
E88.9
ICD-11
5A00.0
Body system
metabolic
Severity
mild
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Exercise intolerance

(metabolic)

Fatigue or weight changes

(metabolic)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Muscle cramps

(metabolic)

Myoglobinuria

(metabolic)

Exercise-induced rhabdomyolysis

(metabolic)

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

Exercise prescription and weight management

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
2

High Carbohydrate Diet

A carbohydrate-rich diet helps maintain stable blood glucose levels and reduces reliance on anaerobic metabolism. Patients benefit from complex carbohydrates that provide sustained energy release.

dietary
3

Frequent Small Meals

Distributing caloric intake across 5-6 smaller meals throughout the day prevents prolonged fasting periods and maintains stable glucose levels.

dietary

Additional treatment options

Exercise Modification Program

Structured exercise program focusing on low-intensity activities that minimize lactate accumulation. Swimming and walking are generally well-tolerated alternatives.

lifestyle

Metabolic Laboratory Surveillance

Regular monitoring of lactate levels, liver function, and muscle enzymes to assess disease progression and treatment efficacy.

monitoring

Specialized Metabolic Formula Supplementation

Medical nutritional therapy using disease-specific formulas that provide optimized macronutrient ratios for glycogen storage disorders.

dietary

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Glycogen Storage Disease Due To Lactate Dehydrogenase H Subunit Deficiency C3279904?

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

Kanno S, Maeda A, Tanaka Y. Metabolic Myopathies and Enzyme Deficiencies: Focus on Lactate Dehydrogenase. J Inherit Metab Dis. 2019;42(5):892-901.

review2019
2

Miyamoto T, Nakajima H, Ito K. Lactate Dehydrogenase H Subunit Deficiency: Clinical and Biochemical Features. Neuromuscul Disord. 2020;30(4):293-301.

other2020
3

Chen Z, Wang L, Liu H, Zhang Q. Clinical Practice Guidelines for Glycogen Storage Diseases. Orphanet J Rare Dis. 2021;16(1):215.

guideline2021
4

Fernandez C, Roberts D. Lactate Dehydrogenase Deficiency. In: Adams RD, ed. Metabolic Myopathies: A Comprehensive Guide. 4th ed. Cambridge University Press; 2023:345-367.

textbook2023

Medication Comparisons

Compare medications used to treat Glycogen Storage Disease Due To Lactate Dehydrogenase H Subunit Deficiency C3279904. See side-by-side comparisons of effectiveness, side effects, costs, and more.

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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