Skip to content

Immunodeficiency Common Variable 5 C3150740

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

A form of immunodeficiency where the body cannot make sufficient protective antibodies. Patients typically need regular immunoglobulin infusions to prevent infections.

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

Key facts at a glance

ICD-10
D89.9
ICD-11
3A00.0
Body system
immunologic
Severity
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(immunologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Recurrent sinopulmonary infections

(immunologic)

Autoimmune cytopenias

(immunologic)

Chronic diarrhea

(immunologic)

Granulomatous skin lesions

(immunologic)

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

Subcutaneous Immunoglobulin

Home-based subcutaneous infusions offer flexible dosing and steady-state IgG levels. Patients can self-administer after training, improving quality of life and independence.

medication
3

Azithromycin Prophylaxis

Macrolide antibiotics provide both antimicrobial and immunomodulatory effects. Three-times-weekly dosing reduces respiratory infection frequency in some patients.

medication

Additional treatment options

Pulmonary Function Surveillance

Regular spirometry and imaging detect early bronchiectasis or interstitial lung disease. Early detection allows timely intervention before irreversible damage occurs.

monitoring

Steam Inhalation Therapy

Regular steam inhalation with essential oils may support mucociliary clearance and provide symptomatic relief for sinus congestion. Adjunctive to, not replacement for, standard therapy.

complementary

Stress Reduction and Sleep Optimization

Stress management through mindfulness and adequate sleep duration supports immune function. Chronic stress impairs immune responses and increases infection susceptibility.

lifestyle

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 Immunodeficiency Common Variable 5 C3150740?

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

general

Medication Comparisons

Compare medications used to treat Immunodeficiency Common Variable 5 C3150740. 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