Urinary Tract Infection

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Causes and Risk Factors

Escherichia coli (E. coli) causes about 80% of urinary tract infections (UTIs) in adults. These bacteria are normally present in the colon and may enter the urethral opening from the skin around the anus and genitals. Women may be more susceptible to UTI because their urethral opening is near the source of bacteria (e.g., anus, vagina) and their urethra is shorter, providing bacteria easier access to the bladder.

Other bacteria that cause urinary tract infections...Read the full article