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In most cases, UTIs are acute and uncomplicated. They are treated and the symptoms subside within a day or two. UTIs that spread to the kidneys, however, may cause permanent kidney damage, especially in children and the elderly if the infections are recurrent.
In some circumstances, urinary infections and sepsis (infection of the blood) can be life-threatening conditions requiring hospitalisation and immediate treatment.
In pregnant women, a UTI can lead to premature labour and delivery and cause high blood pressure. In men, a UTI can cause prostate infection and inflammation, which can be difficult to treat.
Last Review Date: November 13, 2019