Urinary tract infections are caused when the bacterium gets into the excrement and travels up to the bladder. Once it affects the lower tract it's referred to as a bladder infection and once it affects the higher tract it's referred to as an excretory organ infection. Symptoms embrace lightweight fevers, pain within the lower abdomen seems like urinating additional typically. Excretory organ infections may typically cause nausea and physiological reaction. E. coli bacterium causes the bulk of UTIs, However, several different bacteria, fungi, and parasites may cause UTIs.