IgA Nephropathy: A Common Kidney Filter Disease
What IgA nephropathy is, how it is diagnosed, and how it is managed.
Last updated: 2026-09-24
IgA nephropathy is a condition where an antibody called IgA builds up in the kidney filters, causing inflammation.
Signs
- Blood in the urine, often after a cold or infection
- Protein in the urine
- High blood pressure
Management
Treatment focuses on blood pressure control, reducing protein leak, and monitoring kidney function.
Frequently asked questions
Is IgA nephropathy serious?
It can be — it is a leading cause of chronic kidney disease, but progression varies widely.