C3 glomerulopathy (glo-mer-u-lop-a-thy) is a disease that affects how well your kidneys work. It causes damage to structures in the kidneys called glomeruli (glo-mer-yuh-lahy). Glomeruli help the kidneys filter toxins out of your blood. Kidney damage from C3 glomerulopathy can be serious and lead to kidney failure. C3G is typically diagnosed in children and young adults, however it can be diagnosed at any age. Learn more about C3G: https://www.kidneyfund.org/all-about-kidneys/other-kidney-diseases/complement-3-glomerulopathy-c3g