Definition
Immunoglobulin A deposits in kidney filters can cause inflammation.
Symptoms
Visible or microscopic blood in urine, sometimes after respiratory infection, and urine protein.
How it may be discovered
Recurrent bleeding or incidental urine abnormalities.
When to seek care
Blood in urine needs assessment. Swelling, hypertension or reduced urine warrant prompt review.
Investigations and tests
Kidney function, urine protein or albumin, blood pressure and assessment for other causes.
Reaching a diagnosis
Biopsy may confirm IgA deposits and assess damage; risk depends on disease course.
Treatment options
Kidney-protective and blood-pressure treatment; specialist targeted or immune treatments depend on risk.
These kidney guides are educational. Medical kidney disease may require coordinated care with a nephrologist.
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