Symptoms
Fever, chills, back or side pain, along with typical UTI symptoms like burning urination and frequency.
Cause
Bacterial infection that has spread from the bladder up to the kidneys, often an untreated or recurrent UTI.
Prevention
Treat UTIs promptly and fully, stay well hydrated, urinate when needed rather than holding it in.
Treatment
Antibiotics as prescribed, usually for 7-14 days, plenty of fluids; severe cases may need hospitalization.
See a doctor if
Fever with back/side pain and urinary symptoms — needs prompt treatment to prevent kidney damage.
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Frequently Asked Questions
What are the early symptoms of Kidney Infection (Pyelonephritis)?
Fever, chills, back or side pain, along with typical UTI symptoms like burning urination and frequency.
What causes Kidney Infection (Pyelonephritis)?
Bacterial infection that has spread from the bladder up to the kidneys, often an untreated or recurrent UTI.
How can Kidney Infection (Pyelonephritis) be prevented?
Treat UTIs promptly and fully, stay well hydrated, urinate when needed rather than holding it in.
What is the treatment for Kidney Infection (Pyelonephritis)?
Antibiotics as prescribed, usually for 7-14 days, plenty of fluids; severe cases may need hospitalization.
When should I see a doctor for Kidney Infection (Pyelonephritis)?
Fever with back/side pain and urinary symptoms — needs prompt treatment to prevent kidney damage.
Reviewed by the Swasthya Suchi pharmacy team for general accuracy · Last updated: 2026-08-10