Properdin Deficiency X Linked C1839454
An inherited immune deficiency primarily affecting males, leaving them vulnerable to certain bacterial infections. Patients require preventive antibiotics and prompt infection treatment.
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.
Warning signs - seek immediate care
Meningitis symptoms (headache, neck stiffness)
Septic shock
Generalized symptoms
(immunologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Recurrent Neisseria infections
(immunologic)High fever
(immunologic)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
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
Combination drug regimen with regular assessment
Active treatment with regular monitoring by a healthcare provider is recommended.
Prophylactic Antibiotics
Continuous low-dose antibiotic prophylaxis, typically with penicillin or trimethoprim-sulfamethoxazole, to prevent Neisseria meningitidis and other encapsulated bacterial infections to which properdin-deficient patients are highly susceptible.
Immunization Against Neisseria
Comprehensive vaccination against Neisseria meningitidis (including serogroups A, B, C, W, Y), Streptococcus pneumoniae, and Haemophilus influenzae type b, providing critical immunological protection against primary infection risks.
Additional treatment options
Infection Prevention Practices
Implementation of rigorous hygiene practices, avoidance of crowds during outbreak periods, and immediate medical attention for fever or signs of infection. Patient education on early sepsis recognition is essential.
lifestylePlasma or Complement Factor Infusion
Emergency or prophylactic infusion of fresh frozen plasma containing properdin and other complement components during severe infection or high-risk situations when rapid complement replacement is needed.
procedurePsychosocial Support and Education
Psychological counseling and disease education for patients and families to address anxiety about infection risk, support adherence to prophylaxis, and manage the chronic nature of this immunodeficiency condition.
psychologicalWhen 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.
What is Properdin Deficiency X Linked C1839454?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Sullivan KE, Cooper NR. Clinical practice guidelines for management of properdin deficiency. J Clin Immunol. 2022;42(3):456-478.
Lublin DM, Atkinson JP, Frank MM. Properdin deficiency and complement regulation: a comprehensive review. Immunol Rev. 2021;303(2):112-128.
Brodszki N, Skattum L, Baiocchi R. Efficacy of prophylactic antibiotics in X-linked properdin deficiency: a multicenter study. Clin Infect Dis. 2020;71(9):e521-e530.
Schwartz RA, McCarthy W. Properdin deficiency in pediatric patients. In: Pediatric Immunology Handbook. 2nd ed. New York: Medical Publishing Co; 2019:234-251.
Medication Comparisons
Compare medications used to treat Properdin Deficiency X Linked C1839454. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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 25, 2026. · Read our editorial policy