V-Cure Hospital | Blood in Urine Guide Educational information | vcurehospital.com Page 1 Blood in Urine When Is It Serious and When Is It Not? A patient-friendly guide to haematuria, common causes, warning signs, testing and when to seek medical care. Published 27 October 2026 Department Urology Hospital V-Cure Hospital, Pallikaranai, Chennai Source vcurehospital.com V-Cure Hospital | Blood in Urine Guide Educational information | vcurehospital.com Page 2 What Blood in Urine Can Mean Seeing pink, red or brown urine can be alarming. Blood in urine is called haematuria and can have many possible causes. Some are temporary or readily treatable, while others need prompt medical evaluation. Visible blood should be checked by a doctor even if it happens only once and then stops. A proper assessment helps identify the cause instead of relying on urine colour alone. Is It Really Blood? Not every reddish or dark urine colour is caused by bleeding. Beetroot, blackberries and some food colourings can change urine colour. Certain medicines may also turn urine orange or red. Hard exercise and dehydration can darken urine. In women, menstrual blood can mix with a urine sample. A urine test can help determine whether red blood cells are actually present. Visible and Hidden Blood in Urine Gross or visible haematuria is blood that can be seen with the naked eye. Microscopic haematuria is not visible and is detected on urine testing. Both warrant appropriate attention. Visible bleeding is generally evaluated more carefully, particularly when it is painless, recurrent, or occurs alongside other risk factors. Important: Visible blood in urine does not automatically mean cancer. However, it should not be ignored. A medical evaluation can help distinguish infection, stones, prostate conditions, kidney disease and other causes. Common Causes That May Be Treatable • Urinary tract infection (UTI): may occur with burning, frequent urination or strong-smelling urine. • Kidney or bladder stones: may cause sharp pain in the side, back or lower abdomen together with bleeding. • Enlarged prostate: in some men, an enlarged prostate can be associated with bleeding and urinary symptoms such as weak flow or frequent night-time urination. • Strenuous exercise: prolonged or intense exercise can occasionally be associated with brief bleeding. • Recent urinary procedures: catheterisation or other urinary tract procedures can sometimes cause short-lived bleeding. When Blood in Urine May Need Faster Review Doctors may pay particular attention to blood in urine when there are risk factors or patterns that can be associated with more serious urinary-tract conditions. • Age over 40, particularly over 50. • Current or previous smoking. • Occupational exposure to certain industrial chemicals or dyes. • Blood in urine without pain. • Bleeding that keeps returning. V-Cure Hospital | Blood in Urine Guide Educational information | vcurehospital.com Page 3 • Other kidney-related features such as foamy urine, swelling of the face or legs, or high blood pressure. V-Cure Hospital | Blood in Urine Guide Educational information | vcurehospital.com Page 4 What Does a Blood Clot in Urine Mean? Passing a blood clot can indicate heavier bleeding than usual. Clots may arise from the bladder, prostate or kidney, although the appearance of a clot alone cannot establish its source. Clots can sometimes obstruct urine flow. • Seek emergency medical care if you cannot pass urine. • Prompt medical assessment is also appropriate for severe lower abdominal pain or repeated passage of large clots. How Doctors Find the Cause Assessment generally starts with a discussion of symptoms, medicines and relevant lifestyle or medical history, followed by an examination. Depending on the situation, a doctor may recommend some of the following: • Urine tests: to look for blood, infection and protein. • Blood tests: to assess kidney function and other relevant markers. • Ultrasound or CT imaging: to evaluate the kidneys, ureters and bladder when indicated. • Cystoscopy: a thin camera is used to examine the inside of the bladder. Understanding Blood in Urine Blood in urine has many possible causes, ranging from infections and stones to an enlarged prostate, kidney disease and less common but important conditions such as cancer. Foods and medicines can also change urine colour without causing bleeding. Visible blood, clots or painless bleeding—especially in people over 40 or those with a smoking history—deserve careful evaluation. Even a single episode is worth discussing with a doctor rather than simply waiting for it to return. V-Cure Hospital's urology department in Chennai provides assessment of haematuria, including urine tests, imaging and cystoscopy, with treatment directed at the condition identified. Frequently Asked Questions Can blood in urine go away on its own? The bleeding can stop by itself, but the underlying cause may still be present. A single episode of visible blood is worth checking. Is blood in urine without pain more worrying? Painless bleeding is not always serious, but it is a pattern doctors take seriously because some important conditions can cause bleeding without other symptoms. Can stress cause blood in urine? Stress itself does not cause haematuria. If you notice blood, it is better to look for a physical cause rather than assume it is stress-related. V-Cure Hospital | Blood in Urine Guide Educational information | vcurehospital.com Page 5 V-Cure Hospital 98, Velachery Rd, Devi Karumariamman Nagar, Pallikaranai, Chennai, Tamil Nadu 600100 Phone: 9884618798 | 04440114199 Website: vcurehospital.com Educational information only. This guide does not replace individual medical advice, diagnosis or treatment. If you have blood in your urine, consult a qualified healthcare professional for appropriate evaluation.