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Acatalasemia Japanese Type C2936847

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

A rare genetic metabolic disorder where the body lacks enough catalase enzyme. Can cause oral ulcers and gum problems. Treatment involves managing symptoms and preventing infections.

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.

Fatigue or weight changes

(metabolic)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Oral ulcer

(metabolic)

Gingival inflammation

(metabolic)

Recurrent infections

(metabolic)

Fatigue

(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

Hydrogen Peroxide Avoidance

Avoidance of exposure to hydrogen peroxide and oxidative stressors in daily life, including certain dental procedures and topical products.

lifestyle
3

Dental Management

Specialized dental care including prophylactic antibiotics before dental procedures and aggressive management of oral ulcerations and gangrene.

surgical

Additional treatment options

Antioxidant Supplementation

Dietary antioxidants including vitamins C and E to help compensate for reduced catalase activity and protect tissues from oxidative damage.

dietary

Regular Complication Monitoring

Periodic clinical assessments for oral complications, wound healing issues, and metabolic abnormalities associated with the enzyme deficiency.

monitoring

Enzyme Replacement Research

Participation in research programs investigating enzyme replacement therapies, as conventional treatments are limited for this rare condition.

complementary

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 Acatalasemia Japanese Type C2936847?

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

Takahashi K, Yamada Y. Acatalasemia: A Comprehensive Review of Catalase Deficiency. J Inherit Metab Dis. 2020.

review2020
2

Nishimura Y, Kato H, Mori S, et al. Clinical Management Guidelines for Rare Redox Disorders Including Japanese-Type Acatalasemia. Rare Dis Rev. 2022.

guideline2022
3

Ogata M, Hayashi H, Tanaka K, et al. Genotype-Phenotype Correlation in Japanese Patients with Acatalasemia. Antioxidants. 2021.

clinical_trial2021
4

Kobayashi M, Saito H, Nakajima H. Hydrogen Peroxide Metabolism in Acatalasemia: A Systematic Review and Meta-Analysis. Free Radic Biol Med. 2023.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Acatalasemia Japanese Type C2936847. 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