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What does a low immunoglobulin level mean?

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Low levels of immunoglobulins mean your immune system isn't working as well as it should. This can be caused by:

  • Medicines that weaken your immune system, such as steroids
  • Diabetes complications
  • Kidney disease or kidney failure
  • A weakened immune system that you were born with or developed (as with HIV/AIDS)

From: What Is an Immunoglobulin Test? WebMD Medical Reference

SOURCES:

American Association for Clinical Chemistry: "Quantitative Immunoglobulins: At a Glance," "Quantitative Immunoglobulins: Test Sample," "Quantitative Immunoglobulins: The Test."

Mayo Clinic: "Lumbar puncture (spinal tap): What you can expect."

Nemours Foundation: "Blood Test: Immunoglobulins (IgA, IgG, IgM)."

Pagana, Kathleen Deska. , 2016. Mosby's Diagnostic and Laboratory Test Reference

University of Rochester Medical Center: "Quantitative Immunoglobulins."

Reviewed by Melinda Ratini on August 9, 2019

SOURCES:

American Association for Clinical Chemistry: "Quantitative Immunoglobulins: At a Glance," "Quantitative Immunoglobulins: Test Sample," "Quantitative Immunoglobulins: The Test."

Mayo Clinic: "Lumbar puncture (spinal tap): What you can expect."

Nemours Foundation: "Blood Test: Immunoglobulins (IgA, IgG, IgM)."

Pagana, Kathleen Deska. , 2016. Mosby's Diagnostic and Laboratory Test Reference

University of Rochester Medical Center: "Quantitative Immunoglobulins."

Reviewed by Melinda Ratini on August 9, 2019

NEXT QUESTION:

How can immunoglobulin test results vary?

WAS THIS ANSWER HELPFUL

THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.

    This tool does not provide medical advice. See additional information.

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