Urinary tract infection (UTI) Causes - Diseases and Conditions ... This type of UTI is usually caused by Escherichia coli (E. coli), a type of bacteria commonly found in the gastrointestinal (GI) tract. Sexual intercourse may lead to ...
Asymptomatic Bacteriuria (Bacteria in Urine, No Symptoms) Anything that blocks the flow of urine or prevents the bladder from emptying completely can cause bacteria to grow in the urine. For example, a kidney stone or ...