What Is a Kidney Infection?
2. Causes
As mentioned, kidney infections are often caused by bacteria that were causing an infection elsewhere in the body. This will often mean infections that started in the urethra or the bladder. This type of infection will themselves tend to be caused as bacteria manage to find their way to the entrance of the urethra from external sources.
In many cases, the bacterium has come directly from the anus, and the bacteria at fault will often be those that are commonly found in the digestive system. Other potential causes include infections after surgery, but such instances are not at all common.
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