16312 Bladder Stones

Overview

Bladder stones are hard lumps of minerals that form in the bladder when urine becomes concentrated and minerals crystallize. They can be tiny or grow as large as a golf ball, and they may stay in the bladder or move around, causing irritation and blockage.

Bladder stones are not common in the general population. They are most often found in men over 50 and in people who have difficulty emptying their bladder, such as those with an enlarged prostate or a spinal cord injury.

Bladder stones mainly affect men over 50, particularly those with an enlarged prostate. They also affect people who have had urinary catheters for a long time, people with nerve conditions that affect bladder function, and people who have had bladder surgery or radiotherapy to the pelvis.

Symptoms

Common symptoms

• Pain or discomfort in the lower belly (pelvic area)
• Pain that moves to the tip of the penis (in men)
• Difficulty starting to urinate or a weak urine stream
• Frequent need to urinate, especially at night
• Blood in the urine (pink, red, or brown urine)
• Cloudy or dark urine

Symptoms in children

• Abdominal pain or stomach cramps
• Painful urination (a child may cry or pull at their nappy)
• Bedwetting or needing to urinate more often
• Fever without a clear cause
• Fussiness or poor feeding in very young children

Symptoms in older adults

• Sudden confusion or change in mental state
• Leaking urine, needing to pee urgently, or waking up many times at night
• Blood in the urine, which may be painless
• Recurrent urinary tract infections (UTIs)
• Discomfort when sitting or pain low in the lower back

Causes

Main causes

• Urine staying in the bladder for too long, allowing minerals to clump together and form crystals
• Dehydration, which makes urine more concentrated and more likely to form stones
• A urinary tract infection that changes the balance of chemicals in the urine
• A foreign object inside the bladder, such as a small retained catheter, which acts as a surface for minerals to attach to
• Bladder stones forming from larger kidney stones that travel down the ureter into the bladder and then continue to grow

Risk factors

• Being male and over 50 years old
• Having an enlarged prostate gland that blocks or slows urine flow
• Chronic urinary retention (not fully emptying the bladder)
• Spinal cord injury or nerve conditions that reduce the urge to urinate
• Long-term use of a urinary catheter
• Previous bladder surgery or pelvic radiotherapy
• Recurrent urinary tract infections
• Gout, kidney stones, or an enlarged prostate in the past

When to see a doctor

See a doctor urgently if:

• You cannot urinate at all or only pass a few drops, and your bladder feels full and painful
• You have a high fever, chills, or severe lower belly pain
• You see blood in your urine and feel faint or have a fever

Book a routine appointment if:

• You notice blood in your urine that is not painful
• You have ongoing pain or burning when urinating
• You consistently need to urinate more often than usual
• You have had repeated urinary tract infections

Diagnosis

Your doctor will ask about your symptoms, examine your abdomen and pelvic area, and order tests to look for stones and to identify the cause. They may also ask about your fluid intake, any medications you take, and whether you have problems emptying your bladder.

Tests that may be done

• Urine test (urinalysis) to check for blood, infection, or mineral crystals
• Ultrasound of the bladder and kidneys to see if the bladder empties fully and to look for stones
• CT scan (a special type of X-ray) which gives a detailed picture of the bladder and urinary tract
• Cystoscopy – a test where a thin tube with a camera is passed through the urethra into the bladder to view the stone directly. This is done by a urologist

What to expect at your appointment

You will usually have a urine test and an ultrasound first. If a stone is seen or suspected, your doctor may refer you to a urologist (a doctor who specialises in the urinary system) for further tests, such as a CT scan or cystoscopy. Cystoscopy is usually done with a numbing gel and does not require general anesthesia, though some people prefer sedation.

Treatment

Treatment depends on the size, number, and position of the stones, as well as the cause. Most people need a procedure to break up or remove the stones, and to treat the underlying problem so stones do not come back. Small stones that are not causing symptoms may not need any immediate treatment.

Self-care at home

• Drink plenty of water (aim for pale urine) to dilute the urine and help flush small fragments
• Do not delay going to the toilet – holding urine makes the bladder less likely to empty fully
• Take over-the-counter pain relief only after checking with your pharmacist or doctor, and follow the instructions on the pack
• Avoid caffeine, alcohol, and very spicy foods that can irritate the bladder
• If you have a catheter, keep the area clean and follow your nurse's advice about routine care

Medical treatments

Your doctor may recommend medications to make your urine less acidic or to change the mineral balance, which can help dissolve certain types of stones. Pain relief and antibiotics are sometimes given if there is an infection. However, most bladder stones do not dissolve with medication alone and need a urological procedure. The exact choice depends on the stone size and your overall health – never start any medication without discussing it with your doctor.

When is surgery considered?

Surgery may be needed if the stone is large, causing blockage, or if it cannot be broken up safely. The most common procedure is cystolitholapaxy, where a urologist uses a thin instrument through the urethra to break the stone into small pieces and use suction to remove them. In rare cases, open surgery through an incision in the lower belly is considered, usually when the stone is very large or other methods fail.

Living with this condition

If you have bladder stones, you may feel some discomfort or worry, but understanding the condition and having a plan can help. Keep a note of any symptoms you have, bring a list of any medications you take, and do not be afraid to ask your doctor questions. Going to the toilet regularly and drinking enough fluids can make you feel more in control.

Lifestyle tips

• Drink water throughout the day – the amount you need depends on the weather and your activity, but getting up to empty your bladder at natural intervals is a good sign
• Keep a steady daily routine – regular meals and sleep can help manage energy levels and stress
• If you smoke, ask your GP or pharmacist about support to quit – smoking irritates the bladder
• Avoid lifting very heavy objects if you have pelvic pain or after surgery, until your doctor says it is safe

Diet and exercise

There is no single 'bladder stone diet', but keeping your urine diluted is the most important step. A balanced diet with fresh fruit, vegetables, and plenty of fluids is generally best. Moderate physical activity, like walking or swimming, helps keep the urinary tract working well and can reduce stress. Avoid very high doses of vitamin C supplements, as these can change urine chemistry – ask your doctor for advice.

Mental health and emotional wellbeing

Living with bladder stones can be frustrating, especially if you have repeated infections or pain. Some people feel anxious or worried about the need for a procedure or surgery. It is normal to have these feelings, but persistent low mood, anxiety, or sleep problems are worth mentioning to your doctor. Talking to a friend, a religious leader, or a counselor can help, and there is no shame in asking for support.

Prevention

Bladder stones can often be prevented by staying well hydrated, urinating at regular intervals, and treating urinary tract infections promptly. For people with an enlarged prostate or nerve issues, treating the underlying cause – for example, with medication or a minimally invasive procedure – greatly reduces the chance of stones forming. Talk to your doctor about what preventive steps are right for you.

Vaccines

There is no vaccine that specifically prevents bladder stones. However, staying up to date with routine vaccines, such as flu and pneumococcal vaccines, can help prevent infections that could lead to bladder irritation and stone formation in some people.

Screening programmes

There is no routine screening test for bladder stones in the general public. If you have had bladder stones before, you may receive regular urine tests or ultrasound scans to check for new stones. Talk to your doctor about your personal risk and follow-up plan.

Complications

If left untreated

• Scarring or damage to the lining of the bladder
• Recurrent urinary tract infections that can travel to the kidneys (pyelonephritis)
• Sudden blockage of urine flow, which is painful and can cause kidney damage
• Very rarely, development of a bladder ulcer or abscess
• If the stone damages the bladder wall, there is a small risk of long-term bladder irritation

Long-term outlook

The outlook for bladder stones is very good. Almost all stones can be removed successfully, and symptoms usually improve quickly afterwards. Treating the underlying cause – such as an enlarged prostate – is the key to preventing recurrence. While surgery sounds daunting, most people return to normal activities within a few days or weeks. With proper care, you can expect a full recovery and a return to normal bladder function.

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