Discover the many causes of bloody urine, such as infections. Also learn how it’s diagnosed and treated, how to prevent it, and more.

Sometimes, you can’t see the blood in your urine. With microscopic hematuria, only a lab test can find the red blood cells. Even a small amount of blood in your urine can make it change color.

CHICAGO – Adolescents and young adults who had persistent, microscopic blood in their urine (hematuria) were more likely to develop end-stage renal disease over a follow-up period of about 20 ...

When blood is in the urine but you cannot see any pink, red, or clotting, it’s considered occult blood. Another name for this condition is microscopic hematuria.

"Microscopic blood in urine unreliable indicator of urinary tract cancer." ScienceDaily. ScienceDaily, 9 January 2013. <www.sciencedaily.com / releases / 2013 / 01 / 130109151206.htm>. July 9 ...

"Persistent, microscopic blood in urine associated with increased risk of kidney disease." ScienceDaily. ScienceDaily, 17 August 2011. <www.sciencedaily.com / releases / 2011 / 08 / 110816162306.htm>.

Rochester, MN, January 9, 2013 – Microscopic amounts of blood in urine have been considered a risk factor for urinary tract malignant tumors. However, only a small proportion of patients ...

Dear Dr. Roach: My question is about microscopic hematuria. I see a rheumatologist for sarcoidosis. In February 2018, I had various lab tests, including a urinalysis. That test and several since ...

DEAR DR. ROACH: My question is about microscopic hematuria. I see a rheumatologist for sarcoidosis. In February 2018, I had various lab tests, including a urinalysis. That test and several since ...

Doctors treat blood in urine caused by a UTI with a 7- to 14-day course of oral or intravenous (IV) antibiotics. Other conditions, such as hereditary diseases and kidney cancer, require prompt ...