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Doctor insights on: Causes Of Blood In The Urine

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I had bladder cancer 15 years ago. I had a trace of blood inmy urine. The doctor scoped me and found no tumor. He sent my blood to get a full report. What else could be the cause of blood in urine?

I had bladder cancer 15 years ago. I had a trace of blood inmy urine. The doctor scoped me and found no tumor. He sent my blood to get a full report. What else could be the cause of blood in urine?

Several things: With a history of bladder cancer, recurrence would be a possibility. With a negative scope, this is less likely. Urinary tract stones, infection or prostate inflammation can also cause microscopic hematuria. ...Read more

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Urine (Definition)

Urine is the product of the kidneys, which is produced to eliminate the waste products of metabolism, manage body fluid balance, &maintain acid-base balance. The blood is first filtered by the kidneys, and the composition of the resulting fluid is then altered depending on the body's needs. It is composed of mostly water, and breakdown products from blood cells impart ...Read more


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My urine dips always show 1+ or moderate blood in urine, but usually no RBC. What could be the cause of frequesnt blood in urine with no RBC?

My urine dips always show 1+ or moderate blood in urine, but usually no RBC. What could be the cause of frequesnt blood in urine with no RBC?

Who tests?: Are you testing your own urine or is it done by a professional? Why? Hemolysed blood tests pos for hemoglobin but not for red cells. There are various ways this can happen. WHAT DOES YOUR DR SAY??? ...Read more

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What could cause blood in urine in an 84 year old who takes coumadin (warfarin)?

What could cause blood in urine in an 84 year old who takes coumadin (warfarin)?

Could be just the co: Could be just the coumadin (warfarin). But could also be a stone, hemaglobinopathy, infection, or tumor. See your urologist. ...Read more

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What could cause blood in urine and spitting up blood? He's peed blood 2xs n spit up once just today no other symptoms really , says feels feverish.

What could cause blood in urine and spitting up blood? He's peed blood 2xs n spit up once just today no other symptoms really , says feels feverish.

Emergency: Bleeding from two sources is an emergency. This is not going to be solved on the internet. This patient is very sick and needs medical attention urgently. ...Read more

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What could cause blood in urine 5 months small reoccuring kidny stone 3mm ultra CT are fine I am seeing urology but worried?

See urologist: A small stone could cause blood in urine. However, with the amount of blood you have and the pain, something else may be going on. Get a urinalysis with microscopic exam and a urine culture (be sure you are not on antibiotics when the urine is collected). Get a CT of the abdomen and pelvis without contrast to accurately define the stone and with contrast to look for a tumor. ...Read more

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What would cause of blood in urine for woman?

What would cause of blood in urine for woman?

UTI: The cause of blood in urine is really the same in both women and men-except for a couple of differences- 1. In woman- sometimes, you can have contamination from menstrual blood- if you don't use the proper way to collect your urine. 2. Due to anatomy different in male/female- urinary tract infection is more common in women than men. Blood in urine can be caused by infection, inflammation, stone etc. ...Read more

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Blood in urine without infection (blood and urine tests confirm). No visible sores. Disconfort in penis for 4/6 weeks. What could be the cause?

Blood in urine without infection (blood and urine tests confirm). No visible sores. Disconfort in penis for 4/6 weeks. What could be the cause?

Source of blood?: you need to figure out the source of this blood -- whether it is kidneys or bladder and then treat according to resource and cause for it. ...Read more

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Urine dips always show 1+ or moderate blood in urine, but usually no RBC. What could be the cause? This is NOT during my menstrual cycle. Thanks

Urine dips always show 1+ or moderate blood in urine, but usually no RBC. What could be the cause? This is NOT during my menstrual cycle. Thanks

Microhematuria: If you exercise heavily, you will secrete myoglobin in your urine and as a UA can not distinguish between hemoglobin (from blood) and myoglobin (from muscle), UA will be positive for blood but no RBC seen. If your UA however reveals both blood and RBC then you need to seek a urologist's care for further evaluation and workup. ...Read more

Dr. Michael Michaels
611 doctors shared insights

Blood In Urine (Definition)

Hematuria is the presence of blood in the urine. When you can see the blood, it's called gross hematuria. When the blood can only be seen under a microscope it is known as microscopic hematuria. Hematuria can be caused by kidney stones, kidney infections, urinary tract infections, an enlarged prostate, cancer, certain medications, and ...Read more


Dr. Michael Michaels
526 doctors shared insights

Urinary Bleeding (Definition)

Urinary bleeding is blood that appears in ...Read more