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Kidney infection

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Introduction
A kidney infection is an illness that usually happens when bacteria travel up from your bladder into one or both of your kidneys.
Symptoms of kidney infection
The symptoms of a kidney infection usually develop quite quickly over a few hours or days.
Causes of kidney infection
A kidney infection happens when bacteria enters and infects one or both of your kidneys.
Diagnosing kidney infection
To work out if you have a kidney infection, your GP will ask you about your symptoms and your recent medical history.
Treating kidney infection
Most people with a kidney infection can be treated at home by taking a course of antibiotics, and possibly painkillers too.
Complications of kidney infection
Most kidney infections are treated successfully without any complications, although some people may develop further problems.
Preventing kidney infection
The best way to prevent a kidney infection is to keep your bladder and urethra free from bacteria.
See what the doctor sees with Map of Medicine
See what your doctor sees, find out what is happening with your kidney infection treatment and what the next steps might be.