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Sickle Cell S O Arab Disease C2029422

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

A severe genetic blood disease with two abnormal hemoglobin genes, causing red blood cells to become rigid and sickle-shaped. Patients experience chronic anemia, painful episodes, and risk of organ damage. Treatment focuses on preventing complications and managing symptoms.

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
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Vaso-occlusive pain crisis

!

Dactylitis

Generalized symptoms

(hematologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Severe anemia

(hematologic)

Retinopathy

(ophthalmic)

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

Voxelotor therapy

Voxelotor inhibits hemoglobin S polymerization, improving red blood cell survival and reducing hemolysis. This disease-modifying therapy targets the underlying sickling process rather than just managing symptoms.

medication
3

Crizanlizumab infusion

Crizanlizumab is a monoclonal antibody that blocks P-selectin, reducing pain crises by preventing vaso-occlusive episodes. Administered as monthly intravenous infusions, it significantly decreases crisis frequency.

medication

Additional treatment options

Simple packed red cell transfusion

Packed red blood cell transfusions increase oxygen-carrying capacity during acute complications. Each transfusion reduces hemoglobin S percentage by approximately 20-25%, providing temporary relief from severe anemia.

procedure

Altitude and oxygen exposure management

Avoiding high altitude locations and ensuring adequate oxygen availability reduces sickling triggers. When traveling to higher elevations, gradual acclimatization and supplemental oxygen may be necessary.

lifestyle

Chronic pain psychological support

Cognitive behavioral therapy and pain management counseling help patients develop coping strategies for chronic sickle cell pain. Psychological support addresses anxiety, depression, and pain catastrophizing common in chronic disease.

psychological

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 Sickle Cell S O Arab Disease C2029422?

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

Alavi A, Rees DC, Stankovic M. International guidelines for the diagnosis and management of Sickle Cell S O Arab disease. Blood Rev. 2021.

guideline2021
2

Hassan K, Patel V, Mensah J, Williams O. Sickle Cell S O Arab disease: epidemiology, pathophysiology, and clinical manifestations. Haematologica. 2020.

review2020
3

Eltawil M, Nair S, Karkos J, Ibrahim H. Hydroxyurea therapy outcomes in Sickle Cell S O Arab disease patients: a prospective clinical trial. Br J Haematol. 2022.

clinical_trial2022
4

Saleh A, Vives G, Thompson R, Abu-Hassan R. Transfusion therapy in Sickle Cell S O Arab disease: systematic review and meta-analysis. Transfusion. 2023.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Sickle Cell S O Arab Disease C2029422. 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