is an urine infection contagious
Is urinary tract infections contagious? A urinary tract infection is caused when bacteria gets into your  bladder by the urethra. This bacteria can then travel up the  ureters into the kidneys causing pylonephritiâ¦s (kidney infection).  The most common bacteria that causes a urinary tract infection is E  Coli. A urinary tract infection is not contagious.