How Long Does Post-Surgery Blood in Urine Take to Change Color?

How long does it take for bright red hematuria to gradually turn brown?

My daughter, who is in the second grade, underwent ureteroscopy for stone removal.
After the surgery, the doctor mentioned that hematuria is normal, but it has been two days since the procedure, and her hematuria is still bright red.
Is this normal? The doctor informed us that her ureter is narrowed, which caused some bleeding during the passage of the endoscope.
A stent was also placed to help dilate the ureter, which will be removed in about two weeks.
Could her hematuria possibly be due to (internal bleeding in the ureter)? Additionally, if it is postoperative hematuria, how long does it typically take for the color to change from bright red to brown? Thank you!

Xinji de mama, 40~49 year old female. Ask Date: 2017/10/01

Dr. Du Shixi reply Urology

It's normal to experience some friction bleeding due to the catheter.
If you notice more bleeding with increased activity, try to drink plenty of water to help dilute it.
If the bleeding becomes too bright red, you should return for a follow-up appointment.
Additionally, if the bleeding stops for 3-4 days, it may turn dark red.
Wishing you good health.

Reply Date: 2017/10/01

More Info

After undergoing ureteroscopy for stone removal, it is not uncommon for patients to experience hematuria, or blood in the urine. This condition can manifest as bright red urine immediately following the procedure, which is often due to trauma to the urinary tract during the surgery. In your daughter's case, the presence of bright red blood two days post-surgery can still be considered within the realm of normal, especially given the information that there was some degree of injury to the ureter during the procedure.

Typically, the color of blood in the urine can change as the body begins to heal. Initially, the urine may appear bright red due to fresh blood. Over time, as the bleeding subsides and the blood cells begin to break down, the color of the urine may transition to a darker red or brownish hue. This process can vary significantly from person to person, depending on factors such as the extent of the bleeding, individual healing rates, and overall health. Generally, you might expect the urine to start changing color within a few days to a week post-surgery, but it could take longer in some cases.

Regarding your concern about whether the blood in your daughter's urine could be due to internal bleeding in the ureter, it is important to monitor her symptoms closely. If the bleeding persists beyond a week, or if she experiences increased pain, fever, or any other concerning symptoms, it would be prudent to contact her healthcare provider for further evaluation. The presence of a stent, which is often placed to help keep the ureter open after such procedures, can also contribute to some irritation and bleeding, but it is typically temporary.

In summary, while it is common for patients to experience bright red blood in their urine shortly after ureteroscopy, the color should gradually change as healing occurs. If the blood does not start to diminish or if other symptoms arise, it is essential to seek medical advice to rule out any complications. Always follow the post-operative care instructions provided by the surgeon, and do not hesitate to reach out with any concerns regarding your daughter's recovery.

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