High baseline nasal IgA, not serum IgG, was linked to lower risk for influenza A H1N1 infection in a real-world study.

Medically reviewed by Alexis Appelstein, DO You can seek early diagnosis to slow or prevent IgA nephropathy from ...

IgA nephropathy is believed to be caused by IgA1-containing immune complexes formed in the blood that ultimately deposit in the glomeruli — the filtering apparatus of the kidneys. When kidney ...

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IgA nephropathy is diagnosed through a combination of clinical findings, urine and blood tests, and a renal (kidney) biopsy. IgA nephropathy cannot be definitively diagnosed without a kidney biopsy.