Urinary tract infection is disease of the urinary tract caused by germs (bacteria, virus). The tract is divided into two parts: upper urinary tract (kidneys and ureters) and lower urinary tract (bladder and urethra). When the infection affects the urethra alone like in gonorrhea or the bladder and urethra, it is called Lower Urinary Tract Infection. However if it spreads through the ureters to the kidneys, it is called Upper Urinary Tract Infection. …
