What is a kidney infection?

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A kidney infection (pyelonephritis) is an upper urinary tract infection (UTI). The bacterium that causes the UTI travels up the urethra to the bladder, then up the ureters to the kidneys. Bacteria can also travel to your kidneys by way of your bloodstream.

Continue Learning about Urinary Tract Infections (UTI)

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.