A urinary tract infection (UTI) is an infection in any parts of our urinary system your kidneys, ureters, bladder and urethra. Most infections involve the lower urinary tract the bladder and the urethra.
UTIs are caused by micro-organisms or germs, usually bacteria. Types of urinary tract infection: Kidneys (acute pyelonephritis), Bladder (cystitis) and Urethra (urethritis). The most common UTIs occur mainly in women and affect the bladder and urethra. Infection of the bladder (cystitis) and Infection of the urethra (urethritis).