E. coli urinary tract infection

特許 係属中 A urinary tract infection (UTI) (also known as acute cystitis or bladder infection) is an infection that affects part of the urinary tract. When it affects the lower urinary tract it is known as a simple cystitis (a bladder infection) and when it affects the upper urinary tract it is known as pyelonephritis (a kidney infection). Symptoms from a lower urinary tract include painful urination and either frequent urination or urge to urinate (or both); while the symptoms of pyelonephritis include fever and flank pain in addition to the symptoms of a lower UTI. In some cases, a painful burning sensation in the urethra may be present even when not urinating. In the elderly and the very young, symptoms may be vague or non-specific. The main causal agent of both types is Escherichia coli, though other bacteria, viruses or fungi may rarely be the cause.