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A member asked:
26 y/o-- iga- 40ml/dl, igg- 1325ml/dl, igm- 111ml/dl. iga is the only low ig. could this be cvid? wouldn't i have low igg as well?
5 doctors weighed in across 2 answers
Don't worry: Isolated low IgA occurs in about 1/500 people. If it is the only immunoglobulin being low, i won't be concerned over it.
Answered 3/19/2017
4.6k views
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Not necessarily: Need to also look at antibody titers to diphtheria, tetanus and pneumococcus. Can have normal IgG numbers with abnormal function and thus low antibody response which would also be CVID.
Answered 3/19/2017
3.9k views
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