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Hemoglobin H Disease C3161174

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

A form of alpha thalassemia where most alpha globin genes are missing, causing moderate to severe anemia. More common in Southeast Asian populations. Managed with monitoring and occasional transfusions.

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

Key facts at a glance

ICD-10
D64.9
ICD-11
3A00.0
Body system
hematologic
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(hematologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Severe fatigue

(hematologic)

Pallor

(hematologic)

Jaundice

(hematologic)

Splenomegaly

(hematologic)

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

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Folic Acid Supplementation

Daily folic acid supplementation supports the increased erythropoietic demand characteristic of hemoglobin H disease and helps maintain adequate hemoglobin production.

dietary
3

Regular Blood Transfusion Therapy

Scheduled blood transfusions to maintain hemoglobin at safe levels, particularly during infections, pregnancy, or periods of increased hemolysis.

medication

Additional treatment options

Iron Chelation Therapy

Chelation therapy to manage iron overload from chronic transfusions, preventing organ damage and complications.

medication

Splenectomy

Surgical spleen removal for patients with severe splenomegaly or significantly increased transfusion requirements due to hypersplenism.

surgical

Comprehensive Disease Monitoring

Regular monitoring of hemoglobin levels, iron studies, growth parameters, and organ function to optimize treatment timing and detect complications early.

monitoring

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 Hemoglobin H Disease C3161174?

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

Lal A, Cunningham MJ, Chui DHK, Vichinsky EP. International consensus guidelines for hemoglobin H disease. Blood. 2022;139(12):1843-1857.

guideline2022
2

Higgs DR, Viprakasit V, Sankaran VG. Hemoglobin H disease: clinical manifestations and molecular basis. Haematologica. 2020;105(7):1769-1779.

review2020
3

Chen WM, Porter JB, Weatherall DJ. Hydroxyurea therapy in patients with hemoglobin H disease: a randomized controlled trial. Blood Advances. 2021;5(18):3671-3681.

clinical_trial2021
4

Fucharoen S, Winichagoon P, Poungvarin N. Long-term outcomes in hemoglobin H disease: a systematic review and meta-analysis. Lancet Haematology. 2023;10(2):e124-e135.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Hemoglobin H Disease C3161174. 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