Can bladder stones cause blood in urine?

Yes, bladder stones can cause blood in the urine (hematuria). A stone can irritate or scratch the bladder lining as it moves, which may lead to visible or microscopic bleeding. However, blood in the urine can have many other causes, so it should always be medically evaluated rather than automatically attributed to bladder stones.

Bladder stones develop when minerals form hard deposits inside the bladder. As a stone moves or comes into contact with the bladder wall, it can cause irritation and inflammation.

This irritation may result in blood appearing in the urine.

What does blood in urine from bladder stones look like?

Blood may be:

• Visible: urine may appear pink, red, or brown.
• Microscopic: blood is detected through a urine test even though the urine looks normal.

The amount of blood does not necessarily indicate how serious the underlying condition is.

Why do bladder stones cause bleeding?

A bladder stone can rub against the bladder lining, particularly when the bladder contracts during urination.

This may cause:

• Irritation.
• Minor injury to the bladder lining.
• Inflammation.
• Bleeding.

Can bladder stones cause blood only during urination?

Yes. Some patients may notice blood primarily during or immediately after urination.

However, the pattern of bleeding can vary, and blood in urine should not be self-diagnosed as a bladder stone.

Are bladder stones the only cause of blood in urine?

No. Hematuria can have several causes, including:

• Urinary tract infections.
• Kidney or ureteric stones.
• Prostate-related conditions.
• Urethral problems.
• Kidney disease.
• Certain medications.
• Urinary tract tumors.

Therefore, unexplained blood in the urine requires appropriate medical evaluation, particularly when it is persistent or recurrent.

What tests may be done if there is blood in urine?

Depending on the patient's symptoms and medical history, a urologist may recommend:

• Urine analysis.
• Urine culture when infection is suspected.
• Ultrasound or other imaging.
• CT imaging in selected cases.
• Cystoscopy when clinically indicated.
• Blood tests or other investigations depending on the suspected cause.

Can treating the bladder stone stop the bleeding?

If the bleeding is caused by irritation from the bladder stone, removing the stone may resolve the bleeding.

However, the underlying reason for stone formation should also be investigated, especially when bladder outlet obstruction, enlarged prostate, or another urinary problem is present.

When Should I See a Urologist?

Seek medical evaluation if you notice:

• Blood in your urine.
• Repeated episodes of bloody urine.
• Painful urination.
• Difficulty passing urine.
• Frequent urination.
• Lower abdominal discomfort.
• A history of urinary stones.

If you are unable to pass urine, seek prompt medical attention.

SCI International Hospital

At SCI International Hospital, New Delhi, Dr. Gautam Banga, Senior Consultant Urologist and Andrologist, evaluates patients with blood in urine, bladder stones, urinary obstruction, enlarged prostate, and other urological conditions. A proper evaluation can help determine whether bladder stones are responsible for the bleeding or whether another urinary condition needs to be investigated.