what is a uti
Male urinary system. A urinary tract infection (UTI) is an infection in any part of your urinary system â your kidneys, ureters, bladder and urethra. Most infections involve the lower urinary tract â the bladder and the urethra.Women are at greater risk of developing a UTI than men are.Infection limited to your bladder can be painful and annoying. However, serious consequences can occur if a UTI spreads to your kidneys.ost infections involve the lower urinary tract â the bladder and the urethra. Women are at greater risk of developing a UTI than men are. Infection limited to your bladder can be painful and annoying. However, serious consequences can occur if a UTI spreads to your kidneys.