Kidney Infection

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Risk Factors and Causes

Kidney infections usually begin as lower urinary tract infections, which can involve a backflow of infected urine.
Bacteria multiply in the bladder and then travel to the kidneys. In some cases, bacteria enter the kidneys through the bloodstream or through the use of medical equipment (e.g., catheter, cystoscope).

Women are more likely to develop kidney infections than men because of their physical makeup. In women, the urethra is shorter, which allows bacteria to...Read the full article