
Why is there blood in my urine but no pain? Key causes.
Discovering blood in your urine can feel alarming, especially when there’s no pain or other symptoms. Known as hematuria, blood in the urine isn’t always a sure sign of a serious problem, but you have to understand the possible causes. Whether it’s a small issue or something needing further evaluation, knowing what could be behind this symptom is key.
Here we’ll explore why blood in urine may appear without pain, the potential underlying causes and how to diagnose and treat it.
What causes blood in urine without pain?
When blood appears in your urine, it might seem concerning but try not to worry. Not all cases relate to painful or severe conditions. Blood in the urine can come from many factors, some harmless and temporary, while others may need medical attention.
This symptom often arises from:
Urinary tract infections (UTIs). Even without pain, UTIs can sometimes cause hematuria.
- Strenuous exercise. Intense physical activity, especially long-distance running, may cause temporary blood in the urine.
- Kidney or bladder stones. These may not always cause discomfort, particularly in their early stages.
- Medications. Certain drugs, like blood thinners, can lead to hematuria.
Enlarged prostate (for men). A swollen prostate can put pressure on the urinary tract, resulting in blood in the urine without pain.
While painless, hematuria's sometimes indicates a mild issue. This symptom might signal a more serious condition in some cases, especially if you don’t address it.
Possible causes of blood in urine: from infections to serious conditions.
While most coughs are harmless, some can be a sign of a more serious condition.
Seek medical attention if your cough:
- Urinary tract infections (UTIs).
A UTI can lead to visible blood in your urine. Other symptoms, like frequent urination or a mild burning sensation, may accompany it. - Kidney disease.
Conditions affecting the kidneys may cause blood to appear in urine without any other pain. - Bladder or kidney cancer.
Although rare, hematuria can sometimes be a symptom of cancer in the urinary tract. Early detection is important, so you should address this symptom promptly. - Medications
Blood-thinning medications, such as aspirin or warfarin, may lead to hematuria by affecting how your blood clots. - Strenuous exercise.
Also called “exercise-induced hematuria,” this condition can occur after intense workouts or long-distance running. It usually resolves within a few days. - Enlarged prostate.
In men, an enlarged prostate can press against the urinary tract, leading to hematuria without causing pain.
Tests and treatments for blood in urine without pain.
If you notice blood in your urine, your healthcare provider will perform tests to determine the cause.
These tests often include:
- Urinalysis. This basic test checks for blood, infection and other abnormalities in your urine.
- Imaging tests. An ultrasound, CT scan, or MRI may help identify issues like stones or tumors in the urinary tract.
- Cystoscopy. This procedure involves inserting a small camera into the bladder to examine its lining for abnormalities.
- Blood tests. These can help evaluate kidney function and detect underlying health issues.
How do you treat blood in urine?
The treatment depends on the cause.
For example:
- You treat UTIs with antibiotics.
- Kidney or bladder stones may require medication, dietary changes, or procedures to remove them.
- You can manage an enlarged prostate with medications or, in some cases, surgery.
- For more serious conditions like cancer, treatment may involve surgery, chemotherapy, or radiation.
When is blood in urine an emergency?
Blood in your urine can sometimes indicate a serious health issue that requires immediate attention. While not every case is an emergency, some signs and symptoms alongside blood in your urine may suggest a more urgent problem.
Seek emergency care if you experience:
- Large amounts of blood in your urine. If your urine appears bright red or contains visible clots, it could signal a severe issue that needs prompt evaluation.
- Severe pain. Intense pain in your back, side, or abdomen could point to kidney stones, an infection, or another urgent condition.
- Fever or chills. These symptoms and blood in your urine may indicate a serious infection in the kidneys or urinary tract.
- Difficulty urinating. If you can’t pass urine or feel extreme discomfort when trying, this may signal a blockage or other critical issue.
- Weakness or dizziness. These could be signs of blood loss or an underlying medical problem.
Why it’s important to act quickly.
Ignoring blood in your urine, especially when paired with these symptoms, could allow a serious condition to worsen.
Kidney infections, for example, can spread to the bloodstream and become life-threatening if you don’t treat them promptly. Similarly, large kidney or bladder stones can cause damage if left untreated.
If you notice these warning signs, head to your nearest emergency room or visit CityMD for a quick evaluation. Having your symptoms checked early can make a big difference in your treatment and recovery.
Addressing blood in urine with no pain at CityMD.
Blood in your urine, even without pain, is a symptom you should never ignore. While many causes are mild or temporary, others require prompt medical attention to ensure they don’t worsen.
If you notice blood in your urine, visit CityMD for an evaluation. Our expert providers will perform the necessary tests, answer your questions and create a treatment plan tailored to your needs.
Don’t wait—walk into your nearest CityMD today and take the first step toward peace of mind and better health.

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