This infection also known as Urinary Tract Infection is caused by microbes including bacteria, fungi and sometimes rarely by viruses. It is one of the most common infections in people. UTI is usually caused by using unsanitary public toilets or not maintaining hygiene. This infection can be caused anywhere in the urinary tract. It starts at the urethra, and in cases where it goes non-medicated it spreads on to the bladder and the ureters. In extreme cases it goes on spreading in the kidneys, which could be fatal in some cases. The UTI is mainly in the lower tract or the upper tract. Lower tract infections the most recurring ones. Women are more prone to UTI since their urethra is shorter than the men. Sometimes it so happens that the bacteria present at our anus also causes UTI.