what cause kidney infections
Causes Causes of kidney infection. A kidney infection is usually caused by bacteria such as Escherichia coli (E. coli), which live in your bowel. The bacteria can get into your urinary tract if they spread from your anus to your urethra.auses Causes of kidney infection. A kidney infection is usually caused by bacteria such as Escherichia coli (E. coli), which live in your bowel. The bacteria can get into your urinary tract if they spread from your anus to your urethra.
Kidney Infection Causes. Kidney and urinary tract infections may be caused by bacteria invading the urine, which is normally a sterile body fluid.Bacteria most commonly gain access to the urine through the urethra, which can be exposed to bacteria from outside of the body.exual intercourse may increase the risk of urinary tract infections in women. Kidney infection may be facilitated by the introduction of bacteria from outside (vagina) to the urinary system through the urethra.