Is urine occult blood serious

Urinary occult blood

refers to an increase in the number of red blood cells in urine, but the presence of red blood cells can not be observed under the naked eye and microscope, mainly caused by pyelonephritis, cystitis, bladder cancer and other reasons. Among them, patients with pyelonephritis and cystitis if timely anti-infection treatment, usually a good prognosis, generally not serious

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