IgA Nephropathy is a kidney disease that can affect people of all ages. It's one of the most common forms of glomerulonephritis worldwide. This disease involves the buildup of a protein called immunoglobulin A (IgA) in the kidneys. This can lead to inflammation and damage to the kidney tissues, specifically the glomeruli. The glomeruli are tiny filtering units in the kidneys. When they're damaged, the kidneys can't filter waste and excess fluids from the blood effectively. Ig