If the hematuria is the result of an infection, treatment with antibiotics quickly reduces the amount of blood in the urine, explains the Harvard Health Guide. Hematuria caused by intense exercise resolves on its own within 24 to 48 hours.
If the hematuria is due to a kidney stone, the blood in the urine quickly goes away after the stone passes, according to the Harvard Health Guide. Drinking large quantities of fluids can help kidney stones to pass more quickly. The treatment type and length of time required to resolve other kinds of hematuria, such as hematuria due to trauma, bleeding disorders, tumors or glomerulonephritis depend on the exact cause of the condition and the patient's individual characteristics.