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PubMed This is a summary of 16 peer-reviewed journal articles Updated
Allergy and Immunology

Building Your Care Team and Preparing for Your First Visit

At a Glance

For a first Specific Antibody Deficiency visit, bring a dated infection history, exact pneumococcal vaccine records, antibody results for each strain, and culture or imaging reports. An immunologist uses these details to coordinate care and decide whether antibiotics or immunoglobulin replacement may be appropriate.

Managing Specific Antibody Deficiency (SAD) is a team effort. Because this condition often involves the ears, nose, and lungs, you will likely work with several specialists to ensure every part of your respiratory system is protected [1][2]. Preparing for your first specialist visit by gathering the right “artifacts”—your medical records and history—is the most important step you can take to get an accurate diagnosis and an effective treatment plan [3].

Your Core Care Team

While your primary doctor manages your overall health, a specialized team handles the nuances of your immune system and its effects on your body. Many patients can be managed by primary care plus an allergy/immunology clinician, with referral to the following specialists based on specific clinical needs:

  • The Immunologist (The Specialist): This is the most critical member of your team. They specialize in the “software” of your immune system [1]. They will interpret your vaccine responses, decide if you need daily antibiotics or antibody infusions, and monitor for any changes in your immune status over time [4].
  • The ENT (Otolaryngologist): Since SAD often leads to chronic sinus and ear infections, an ENT specialist manages the “hardware.” They check for structural issues, like nasal polyps or enlarged adenoids, that might be making it even easier for bacteria to cause infections [5][6].
  • The Pulmonologist (Lung Specialist): If you or your child have had recurrent pneumonia or a chronic cough, a pulmonologist is essential [2]. They monitor for lung damage (bronchiectasis) and help manage any overlapping conditions like asthma [7][8].
  • The Primary Care Provider (The Quarterback): Your pediatrician or family doctor remains your first point of contact. They handle “day-to-day triage”—treating minor infections and coordinating the flow of information between your various specialists [4][1].

Your “First Visit” Artifacts

Specialists cannot diagnose or treat SAD effectively without a clear picture of your past. You should bring a “SAD Portfolio” to your first appointment containing the following [3][9]:

  1. The Chronological Infection Log: A dated list of every infection you or your child has had in the last 1–3 years. Include the site of infection (e.g., “left ear” or “sinuses”), whether you had a fever, what antibiotic was used, and how long it took for the symptoms to clear [3][10].
  2. Vaccine Records: Be specific. It is not enough to know you had a “pneumonia shot.” You need the exact dates and brand names (e.g., Prevnar 13, 15, 20, Capvaxive/PCV21 vs. Pneumovax 23) [11][12].
  3. Lab Reports with “Raw Data”: Bring the actual lab printouts, not just a summary. The immunologist needs to see the serotype-by-serotype antibody levels from your pre- and post-vaccine blood draws [1][13].
  4. Culture and Imaging Reports: If you have ever had a “positive culture” (where a lab grew bacteria from your mucus) or a CT scan/X-ray of your sinuses or lungs, bring those reports [9][14].

Making the Most of Your Consultation

When you meet with a specialist, your goal is to transition from “treating symptoms” to “managing a condition.” Providing a clear history of pyogenic infections—infections that produce pus and are clearly bacterial—helps the doctor distinguish SAD from viral colds or allergies, though note that pus is not a reliable way to identify the cause, and positive cultures from nasal mucus can sometimes represent colonization rather than an active infection [3].

By arriving with your records organized, you allow the specialist to spend less time “hunting for data” and more time discussing your specific needs, such as whether prophylactic antibiotics or immunoglobulin replacement are the right next steps for you [15][16].

Common questions in this guide

Which specialists may be involved in caring for Specific Antibody Deficiency?
An allergy and immunology clinician usually evaluates immune function and vaccine responses. Primary care coordinates overall care, while an ENT specialist can address ear and sinus problems and a pulmonologist can evaluate recurrent pneumonia, chronic cough, or lung damage when needed.
What should I bring to my first Specific Antibody Deficiency appointment?
Bring a dated infection log covering the past one to three years, including the infection site, fever, antibiotics used, and time to recovery. Also bring exact vaccine dates and brands, original antibody lab reports, and any culture, sinus, or lung imaging reports.
Why do the exact pneumococcal vaccine dates and brands matter?
Pneumococcal vaccines cover different groups of bacterial strains, and the timing of vaccination affects how antibody results are interpreted. Your immunologist needs the exact vaccine history to compare pre- and post-vaccine antibody levels for each strain.
How can a doctor tell a bacterial infection from an allergy or viral cold?
The clinician considers the infection pattern, symptoms, examination, and test results such as cultures or imaging when available. Pus alone does not reliably prove a bacterial infection, and bacteria found in nasal mucus can sometimes represent colonization rather than an active infection.
When might treatment for Specific Antibody Deficiency be stepped up?
The decision may depend on how often and how severely infections occur, vaccine antibody responses, lung findings, and other clinical information such as pulmonary function testing. Depending on the situation, the clinician may discuss preventive antibiotics or immunoglobulin replacement.
Can Specific Antibody Deficiency change over time?
Yes, an immunologist may periodically reassess the diagnosis and immune responses. Re-evaluation can help determine whether immune function has matured, remained stable, or changed and whether the care plan should be adjusted.

Questions For You

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Questions to Ask Your Doctor

Curated prompts to bring to your next appointment.

  1. 1.How many patients with Specific Antibody Deficiency (SAD) do you currently manage in your practice?
  2. 2.How will you coordinate my (or my child's) care with our pediatrician and our ENT or pulmonologist?
  3. 3.What specific clinical indicators—such as frequency of infections or results of pulmonary function tests—will we use to decide when to escalate our care?
  4. 4.Which laboratory do you prefer for immune testing, and how do we ensure we use the same one for all future antibody titers?
  5. 5.How do you typically distinguish between an 'allergic flare' and a 'bacterial infection' when deciding whether to prescribe antibiotics?
  6. 6.What is your protocol for re-evaluating the diagnosis to see if the immune system has matured or if the condition is progressing?

References

References (16)
  1. 1

    Primary Immunodeficiency: Specific antibody deficiency with normal IgG.

    Hatcher VR, Alix VC, Hellu TS, Schuldt MM

    Allergy and asthma proceedings 2024; (45(5)):321-325 doi:10.2500/aap.2024.45.240057.

    PMID: 39294904
  2. 2

    Bronchiectasis and obstructive lung diseases in primary antibody deficiencies and beyond: update on management and pathomechanisms.

    Hanitsch LG

    Current opinion in allergy and clinical immunology 2022; (22(6)):335-342 doi:10.1097/ACI.0000000000000856.

    PMID: 36165423
  3. 3

    Specific antibody deficiency: pearls and pitfalls for diagnosis.

    Lawrence MG, Borish L

    Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology 2022; (129(5)):572-578 doi:10.1016/j.anai.2022.05.028.

    PMID: 35671934
  4. 4

    Primary immunodeficiency.

    McCusker C, Upton J, Warrington R

    Allergy, asthma, and clinical immunology : official journal of the Canadian Society of Allergy and Clinical Immunology 2018; (14(Suppl 2)):61 doi:10.1186/s13223-018-0290-5.

    PMID: 30275850
  5. 5

    Immunoglobulin disorders in pediatric chronic rhinosinusitis.

    Lewandrowski C, Peppers BP, Makary CA

    Current opinion in allergy and clinical immunology 2026; (26(1)):1-6 doi:10.1097/ACI.0000000000001135.

    PMID: 41451820
  6. 6

    Evaluation and treatment of rhinosinusitis with primary antibody deficiency in adults: Evidence-based review with recommendations.

    Makary CA, Luong AU, Azar A, et al.

    International forum of allergy & rhinology 2023; (13(12)):2205-2230 doi:10.1002/alr.23206.

    PMID: 37300852
  7. 7

    Lung disease in primary antibody deficiency.

    Verma N, Grimbacher B, Hurst JR

    The Lancet. Respiratory medicine 2015; (3(8)):651-60.

    PMID: 26188881
  8. 8

    [Specific antibody deficiency: Primary immunodeficiency associated to respiratory allergy].

    Fernández F, Campillay R, Palma V, et al.

    Revista chilena de pediatria 2017; (88(2)):252-257 doi:10.1016/j.rchipe.2016.08.006.

    PMID: 27614984
  9. 9

    High Frequency of Specific Polysaccharide Antibody Deficiency in Adults With Unexplained, Recurrent and/or Severe Infections With Encapsulated Bacteria.

    Stabler S, Lamblin C, Gaillard S, et al.

    Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2023; (76(5)):800-808 doi:10.1093/cid/ciac842.

    PMID: 36285530
  10. 10

    Prescribing Immunoglobulin Replacement Therapy for Patients with Non-classical and Secondary Antibody Deficiency: an Analysis of the Practice of Clinical Immunologists in the UK and Republic of Ireland.

    Edgar JDM, Richter AG, Huissoon AP, et al.

    Journal of clinical immunology 2018; (38(2)):204-213 doi:10.1007/s10875-017-0469-4.

    PMID: 29423883
  11. 11

    Functional testing of humoral immunity in the Prevnar 20 era.

    Zuzolo J, Zulfiqar MF, Spoelhof B, et al.

    Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology 2025; (134(3)):279-283 doi:10.1016/j.anai.2024.12.011.

    PMID: 39681261
  12. 12

    Effect of previous vaccination with pneumococcal conjugate vaccine on pneumococcal polysaccharide vaccine antibody responses.

    Schaballie H, Wuyts G, Dillaerts D, et al.

    Clinical and experimental immunology 2016; (185(2)):180-9 doi:10.1111/cei.12784.

    PMID: 26939935
  13. 13

    How to use immunoglobulin levels in investigating immune deficiencies.

    Ladomenou F, Gaspar B

    Archives of disease in childhood. Education and practice edition 2016; (101(3)):129-35 doi:10.1136/archdischild-2015-309060.

    PMID: 26987724
  14. 14

    Pulmonary Computed Tomography Screening Frequency in Primary Antibody Deficiency.

    Smits BM, Boland SL, Hol ME, et al.

    The journal of allergy and clinical immunology. In practice 2024; (12(4)):1037-1048.e3 doi:10.1016/j.jaip.2023.12.047.

    PMID: 38182096
  15. 15

    Diagnosis and management of Specific Antibody Deficiency.

    Perez EE, Ballow M

    Immunology and allergy clinics of North America 2020; (40(3)):499-510 doi:10.1016/j.iac.2020.03.005.

    PMID: 32654695
  16. 16

    Immunoglobulin Replacement Therapy Versus Antibiotic Prophylaxis as Treatment for Incomplete Primary Antibody Deficiency.

    Smits BM, Kleine Budde I, de Vries E, et al.

    Journal of clinical immunology 2021; (41(2)):382-392 doi:10.1007/s10875-020-00841-3.

    PMID: 33206257

This page explains how to organize care and prepare for a Specific Antibody Deficiency visit for educational purposes only; it does not replace medical advice. Your immunologist and other clinicians should interpret your infection history and test results and recommend treatment.