1 doctor weighed in:

I have a UTI..only symptoms is blood in urine...just took 3rd dose of Bactrim (sulfamethoxazole and trimethoprim) DS. still seeing blood in urine. history of utis and double kidney 36/F. How long should i wait to see results?

1 doctor weighed in

In brief: See answer below

Visible blood in the urine (aka gross hematuria) related to a UTI (aka hemorrhagic cystitis) is most often accompanied with other bladder symptoms (urinary urgency, frequency, burning and discomfort) and usually subsides within 24-72 hours IF on the correct antibiotic.
Painless hematuria is a red flag and is often related to other causes and deserves further evaluation, even if it is self-limiting

In brief: See answer below

Visible blood in the urine (aka gross hematuria) related to a UTI (aka hemorrhagic cystitis) is most often accompanied with other bladder symptoms (urinary urgency, frequency, burning and discomfort) and usually subsides within 24-72 hours IF on the correct antibiotic.
Painless hematuria is a red flag and is often related to other causes and deserves further evaluation, even if it is self-limiting
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Dr. William Forsythe
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