True about post-streptococcal glomerulonephritis is -

Acute post streptococcal glomerulonephritis is an immunologic response of the kidney to infection, characterized by the sudden appearance of edema, hematuria, proteinuria and hypeension . It is essentially a disease of childhood that accounts for approximately 90% of renal disorders in children.the only way to prevent these complications is Early treatment of pharyngitis eliminates the risk of Post streptococcal glomerulonephritis Ref Harrison20th edition pg 277