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Causes of Urinary tract infection

Urinary infections are caused by a number of germs.  The most common germ is known as Escherichia coli, which normally lives in the bowel without causing harm.

The infection may also be caused by other germs, including those acquired during sexual intercourse such as Chlamydia trachomatis, Trichomonas vaginalis, Haemophilus vaginalis or Candida albicans.