Why is there Blood in Urine (Haematuria)?

In their routine checkup procedures and physical examinations, urologists might unveil an array of underlying reasons causing haematuria. For instance, men could find traces of blood in urine due to an enlarged prostate. Concurrently, though, other medical conditions such as glomerulonephritis (an inflammation disrupting the kidney's filtering mechanism) or sickle cell diseases might also be key contributors here.

Urinary tract infections (UTIs) represent another potential cause wherein bacteria infiltrate the urethra and ascend towards either the bladder or the kidney, inciting irritation, which eventually results in bloody urine. However, on a positive note, UTIs are relatively simple issues that are usually resolved through regular antibiotic treatments.

Ureteral stones present another case point – these rough formations originate from kidneys before moving downwards into the ureter, where they bruise its inner walls, causing both visible and microscopic amounts of blood to seep into your urine stream.

In addition to the above, there are several other potential causes of haematuria. These include:

Any physical injury or trauma can lead to blood in urine. This could be a result of accidents, falls or even intense exercise.

Certain medications, such as anticoagulants or blood thinners, and aspirin, can also cause this condition.

Chronic kidney diseases often manifest through symptoms like haematuria.

In some cases, visible blood in urine may indicate bladder or kidney cancer.

It is important to note that sometimes the exact cause of haematuria remains unknown despite thorough investigations, which is a situation referred to as 'idiopathic haematuria'. However, this does not diminish its significance, and healthcare professionals should still monitor it closely.

The risk factors associated with haematuria encompass various elements, ranging from age and sex to lifestyle choices and medical history. Here's an overview:

Men over 50 years old who have an enlarged prostate gland are more susceptible to developing haematuria.

If you have a family history of kidney disease or kidney stones, you're at higher risk.

A recent infection increases your chance of having urinary bleeding.

As mentioned earlier, certain drugs, including non-prescriptive pain relievers, might increase your likelihood of bloody urine.

To sum up, while haematuria isn't always indicative of a severe health problem, it certainly warrants immediate attention due to its potential implications for overall health status. Therefore, one must never hesitate to seek professional help from a care provider upon noticing any abnormality in their urination process. Check out another of our articles on what causes blood in the urine.

The gravity of precise diagnostics in managing haematuria among adults is an emphasis that cannot be underscored enough. One should not delay seeking medical advice if they or a close friend notice blood present in their urine or even perceive a shift in the flow of their urination. Admittedly, discerning visible blood in your urine can incite alarm but doesn't always denote the presence of a severe ailment. Nonetheless, it demands immediate attention due to its potential implications for serious health complications such as sickle cell anaemia. A straightforward urine test can confirm any suspicion of bloody urine; this remains pertinent even when there are instances where the blood isn't perceptible to the unaided eye. Read more about the common condition associated with blood in urine.

Diagnosing haematuria generally necessitates comprehending the patient's past medical history and performing an exhaustive physical examination. Identifying the underlying cause is paramount since treating and managing haematuria largely hinges on determining what condition prompted it initially.

The puzzle is figuring out if something more dangerous than just blocked flow is stopping blood cells from working right during urination. In any case, an early diagnosis facilitated by a care provider facilitates the implementation of suitable treatment approaches, thereby reducing the likelihood of additional complications.

Dr Alvin Ng is a nephrologist in Singapore with more than 20 years of experience. He specialises in the diagnosis and management of a wide range of kidney conditions and is committed to providing comprehensive, personalised and evidence-based care for patients with kidney disease.

Prior to private practice, Dr Ng served as a consultant nephrologist at Changi General Hospital, where he was Director of the Peritoneal Dialysis Service and a member of the MOH Peritoneal Dialysis Workgroup. He has also held leadership roles within the Singapore Society of Nephrology and has been actively involved in the education of medical students, junior doctors and specialist trainees. His contributions to patient care, medical education and professional service have been recognised through multiple awards.