Hematuria: What Does Blood in Urine Indicate? - Urology

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Urinary issues


Hello Dr.
Lai,
I would like to ask what issues in the body are indicated by the presence of hematuria? I have been undergoing annual health check-ups and have had hematuria for several years.
I have seen doctors and taken medication, but there hasn't been much improvement.
This year's hematuria result is...(++), and the urine protein level is also elevated..(+).
I am quite concerned about this issue and would appreciate your clarification.
Thank you.

pan, 30~39 year old female. Ask Date: 2004/09/05

Dr. Lai Ronghao reply Urology


Hello Pan: The presence of hematuria is a warning sign, and there are hundreds of possible causes.
It is recommended that you undergo a urinary tract imaging study or renal ultrasound, and have regular follow-ups.
Don't worry, just leave the problem to your physician.
Sincerely, Dr.
Lai Rong-Hao, Attending Physician, Department of Urology, Hsinchu Hospital, Ministry of Health and Welfare.

Reply Date: 2004/09/05

More Info


Hematuria, or the presence of blood in urine, can be a concerning symptom and may indicate various underlying health issues. It is essential to understand that hematuria can be classified into two types: gross hematuria, where blood is visible to the naked eye, and microscopic hematuria, where blood is only detectable under a microscope. In your case, the presence of blood in your urine, indicated by a positive urine test, suggests that there may be an underlying condition that requires further investigation.

There are several potential causes of hematuria, including:
1. Urinary Tract Infections (UTIs): UTIs can cause inflammation and irritation in the urinary tract, leading to blood in the urine. Symptoms may include a burning sensation during urination, frequent urination, and abdominal pain.

2. Kidney Stones: The presence of stones in the kidneys or urinary tract can cause bleeding, resulting in hematuria. This condition may also be accompanied by severe pain, often described as sharp or cramping, typically in the lower back or side.

3. Glomerulonephritis: This is an inflammation of the kidney's filtering units (glomeruli) and can lead to hematuria, proteinuria (excess protein in urine), and other symptoms such as swelling and high blood pressure.

4. Trauma: Any injury to the kidneys or urinary tract, whether from an accident or a medical procedure, can result in blood in the urine.

5. Tumors: Benign or malignant tumors in the kidneys, bladder, or urinary tract can cause hematuria. This is particularly concerning if there are other symptoms such as unexplained weight loss, persistent pain, or changes in urinary habits.

6. Medications: Certain medications, such as anticoagulants or nonsteroidal anti-inflammatory drugs (NSAIDs), can increase the risk of bleeding and may lead to hematuria.

7. Systemic Conditions: Conditions such as diabetes, hypertension, or blood disorders can also contribute to hematuria.

Given that you have reported a history of hematuria and elevated urine protein levels, it is crucial to follow up with a healthcare provider for a thorough evaluation. This may include:
- Urinalysis: A comprehensive analysis of your urine to check for the presence of red blood cells, white blood cells, bacteria, and protein.

- Imaging Studies: Ultrasound, CT scans, or MRIs may be necessary to visualize the kidneys and urinary tract for any abnormalities.

- Cystoscopy: A procedure that allows direct visualization of the bladder and urethra, which can help identify any lesions or sources of bleeding.

- Blood Tests: To assess kidney function and check for any underlying systemic conditions.

It is important to address your concerns with your healthcare provider, especially since you have experienced persistent hematuria over the years. They can help determine the underlying cause and recommend appropriate treatment options. Early diagnosis and management are key to preventing potential complications associated with the underlying conditions that may be causing your symptoms.

In summary, hematuria can indicate a range of health issues, from benign to serious. Given your history and the current findings of hematuria and proteinuria, it is essential to seek further evaluation to determine the cause and appropriate management.

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