Guide To The Causes Of Blood In Urine (Hematuria)

Kidney Infection

Kidney infection patients may notice blood in their urine. An infection of the kidneys is a type of urinary tract infection and may occur in one or both of an individual's kidneys. The kidneys are bean-shaped organs that sit just behind the rib cage in the middle of an individual's back. The kidneys contain thousands of tiny filters through which 150 quarts of blood flow through every day. Between one and two quarts of urine is produced through this process from the waste material and excess water the kidneys filter from the blood. However, this and other functions can become impaired when an infection-causing pathogen colonizes in the kidney. The infection causes damage in the tiny filters and other kidney tissues, resulting in symptoms like high fever, frequent and painful urination, nausea and vomiting, and pain in the back and side. Hematuria occurs because of the pathogenic and inflammatory damage that allows blood to leak from the vessels and small filters into the urine stream.

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