High IgA levels can indicate multiple myeloma, where cancerous plasma cells produce abnormal amounts of antibody proteins. In myeloma, these abnormal proteins (called M proteins) are produced in excessive quantities, disrupting normal immune function.
It's important to note that IgA myeloma often has a different prognosis Show Full Answer
High IgA levels can indicate multiple myeloma, where cancerous plasma cells produce abnormal amounts of antibody proteins. In myeloma, these abnormal proteins (called M proteins) are produced in excessive quantities, disrupting normal immune function.
It's important to note that IgA myeloma often has a different prognosis compared to other types. People with IgA myeloma tend to have lower survival rates and a higher risk of relapse compared to those with IgG myeloma. Doctors use several tests to measure IgA levels:
- Immunofixation electrophoresis (IFE) - identifies the type of abnormal protein
- Quantitative immunoglobulins test - measures specific levels in blood
- SPEP and UPEP tests - track disease progression
Your healthcare team will consider your complete medical history and other factors when interpreting these results, as various conditions can affect protein levels.
AI-generated responses are not a substitute for medical advice. These services are not intended to
diagnose, treat, or cure any condition or disease. Always ask your doctor about specific health concerns.
IgG and IgA Antibodies: What Do They Mean?
July 8, 2025
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