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Kidney Stone Treatment: A Guide to Symptoms, Causes, and Removal

A kidney stone can cause some of the most severe pain a person can experience. These small, hard deposits that form in the kidneys can lead to intense, cramping pain in the back and side, often radiating to the groin. This article is designed as your comprehensive guide to understanding kidney stones. We will delve into the symptoms of kidney stones, what causes the different types of stone to form, and how a specialist diagnoses the size and location of your stone. Most importantly, we will walk you through the advanced treatment options available to break up and remove the stone, providing relief from the pain and helping to prevent new stones from forming in the future.

Treatment for kidney stones Costs?

Kidney stones are hard, solid objects that are formed from high levels of certain substances in your urine. Your kidneys act as your body’s filter system, removing waste products from the blood to create urine. When you have too much of a certain waste product and not enough fluid in your urine to dilute it, crystals can begin to form. These crystals can attract other elements and build up inside your kidney over time to form a solid mass, which is a kidney stone. This process is how stones are formed.

A stone can be as small as a grain of sand or, in extreme cases, as large as a golf ball. A very small stone may stay in the kidney and not cause any problems, or it may be passed out of the body in the urine without you even noticing. However, problems arise when a larger stone attempts to move. A kidney stone may travel from the kidney into the ureter, which is the narrow tube connecting the kidney to the bladder. If the stone gets stuck here, it can block the flow of urine, causing a backup of pressure and leading to the severe pain that kidney stones are famous for.

These stones can cause not only intense pain but also have the potential to lead to complications like urinary tract infections or, in rare cases of prolonged blockage, kidney damage needing treatment for kidney stones (Prices). This is why getting a prompt diagnosis and appropriate treatment is so important when you experience the symptoms of a kidney stone.

What are the Main Symptoms of Kidney Stones?

The symptoms of kidney stones can vary depending on the size of your kidney stone and whether it is moving or causing a blockage. A very small stone may cause no symptoms at all. However, if a stone moves into the ureter, the symptoms can be sudden and severe. The most well-known symptom is a sharp, cramping pain in your back and side, just below the ribs. This pain, known as renal colic, often comes in waves that can last from minutes to hours. The pain may also spread to the lower abdomen and groin.

In addition to this severe pain, there are several other common symptoms. You might feel a constant need to urinate, or experience pain or a burning sensation when you do. The urine itself can change in appearance; it might look cloudy, have a strong smell, or be pink, red, or brown due to the presence of blood. This happens because the stone can irritate the delicate lining of the urinary tract.

Other symptoms can include nausea and vomiting, as the intense pain can affect the digestive system. You might also experience fever and chills, which could be a sign that you have developed a urinary tract infection in addition to the kidney stone. If you experience these symptoms, especially severe pain or a fever, you should seek medical attention immediately.

What Causes People to Get Kidney Stones?

Several factors can increase your risk of kidney stones. The primary cause is not drinking enough fluid, especially water. When your urine is too concentrated, it makes it easier for stone-forming minerals to crystallise and form a kidney stone. Dehydration is a major risk factor for kidney stones. Diet also plays a significant role. A diet high in protein, sodium (salt), and sugar can increase the levels of certain substances in your urine, which can make kidney stones more likely to form.

Certain medical conditions can also increase your risk. People with a family history of kidney stones are more likely to develop them. Conditions like inflammatory bowel disease, chronic diarrhoea, or previous gastric bypass surgery can affect your digestion and change the way your body absorbs calcium and water, increasing the concentration of stone-forming substances in your urine. Obesity is another significant risk factor for kidney stones.

Finally, some people have an underlying metabolic condition or kidney disease that makes them more prone to forming a particular type of stone. For example, a condition called hypercalciuria, where your body excretes too much calcium into the urine, is a common cause of calcium stones. A specialist can perform tests to see if an underlying condition is contributing to your stone formation.

Are There Different Types of Kidney Stones?

Yes, there are several different types of kidney stone, and knowing the type of stone you have is important because it can help determine the cause and inform the best strategy to prevent more kidney stones from forming. The most common type of kidney stone is the calcium oxalate stone. These stones form when calcium combines with oxalate, a substance found in many foods like nuts, spinach, and rhubarb. A diet high in oxalate can increase your risk of calcium oxalate stones. Calcium can also combine with phosphate to form calcium phosphate stones.

Stones in your urinary tract

Another common type of kidney stone is the uric acid stone. These are more common in people who don’t drink enough fluid, who have a high-protein diet, or who suffer from gout. Uric acid is a waste product that is normally dissolved in the urine, but if the urine becomes too acidic, uric acid stones can form. Making the urine less acidic through dietary changes or medication can help prevent this type of stone.

Two less common types of kidney stones are struvite stones and cystine stones. Struvite stones are often linked to chronic urinary tract infections. These stones can grow very large and quickly, sometimes with few symptoms. Cystine stones are the result of a rare, inherited genetic disorder that causes the kidneys to excrete too much of an amino acid called cystine. This type of kidney disease often starts causing stones in childhood.

How Does a Doctor Diagnose a Kidney Stone?

If you have symptoms of kidney stones, your doctor will begin by discussing your medical history and symptoms. However, to confirm the diagnosis and determine the size and location of the kidney stone, an imaging test is essential. A CT (computed tomography) scan of the urinary tract is the most accurate and commonly used method to diagnose a kidney stone. It can detect stones of all sizes and types and can also show if the stone is causing a blockage.

Other imaging tests, like an ultrasound or an X-ray, can also be used. An ultrasound is non-invasive and does not use radiation, making it a safe option, especially for pregnant women. While it is good at detecting stones in the kidney, it is less effective at seeing a small stone in the ureter. An X-ray can detect some, but not all, types of kidney stone.

In addition to imaging, you will likely be asked to provide urine and blood samples. A blood test can check your kidney function and the levels of substances like calcium and uric acid in your blood. A urine test can look for signs of infection and can also be analysed for crystals, which can help to identify the type of stone you have.

Can a Small Stone Pass on its Own?

Yes, it is possible for a small stone to pass out of the body on its own, without the need for invasive treatment. The likelihood of a kidney stone to pass depends heavily on its size and location. A small kidney stone, typically less than 5mm in diameter, has a very good chance of passing through the urinary tract and out in the urine. To help a small stone pass, your doctor will likely recommend a conservative treatment approach.

This approach usually involves drinking plenty of water—two to three litres a day—to help flush the stone through your urinary system. Your doctor will also prescribe pain relief medication to manage the discomfort as the stone moves. You may also be given a medication called an alpha-blocker. This medication helps to relax the muscles in your ureter, which can make it easier and less painful for the stone to pass.

You may be asked to strain your urine through a filter to try and catch the stone when it passes. Retrieving the stone is very helpful because it can be analysed in a lab to determine the type of kidney stone it is. This information is invaluable in creating a plan to prevent stones from forming in the future. If a stone does not pass after a period of four to six weeks, or if the pain is too severe, then further treatment to remove the stone will be necessary.

What is the Modern Treatment for Kidney Stones?

For a kidney stone that is too large to pass on its own, is causing severe pain, or is blocking the flow of urine, there are several advanced and minimally invasive treatment options available. The choice of treatment depends on the size, type, and location of the stone. One of the most common treatments is shock wave lithotripsy (ESWL). This non-invasive procedure uses high-energy sound waves to break up the stone into tiny, sand-like particles that can then be easily passed in the urine.

Another highly effective treatment is ureteroscopy. This procedure involves passing a very thin, flexible telescope with a camera (a ureteroscope) through the urethra and bladder and up into the ureter where the stone is located. The surgeon can then either remove the stone with a small basket device or use a laser to break the stone into smaller pieces. This is a very common and safe procedure, especially for stones lodged in the ureter.

For very large stones in the kidney, a procedure called percutaneous nephrolithotomy (PCNL) may be recommended. This involves making a small incision in your back and creating a tunnel directly into the kidney. The surgeon can then use specialised instruments to break up and remove the large stone. These modern treatment options are highly effective and allow for a much quicker recovery compared to the traditional open surgery of the past.

Is it Possible to Prevent Kidney Stones?

Yes, for many people, it is possible to prevent new stones from forming. Once you have had one kidney stone, your risk of getting another is significantly higher, so prevention is key. The most important step to prevent stones is to increase your fluid intake, aiming to drink enough fluid to produce at least two litres of urine per day. Water is the best choice. This helps to keep your urine diluted and flushes away the substances that form stones.

Dietary changes are also a crucial part of prevention, and the specific changes will depend on the type of stone you have. For calcium oxalate stones, you might be advised to reduce your intake of high-oxalate foods. To prevent calcium stones in general, reducing your sodium intake is very important. For uric acid stones, you may need to eat less red meat and shellfish. A dietician can help you create a suitable eating plan.

In addition to diet and hydration, your doctor may prescribe certain medications to help prevent stones. For example, a diuretic can help reduce the amount of calcium your kidneys release into the urine, lowering your risk of calcium stones. For uric acid stones, a medication to make your urine less acidic can be very effective. By combining these strategies, you can significantly reduce your risk of recurrent kidney stone formation.

Does Kidney Stone Formation Lead to Kidney Disease?

For most people, having a kidney stone does not mean they have or will develop chronic kidney disease. A single, uncomplicated stone that is treated promptly is unlikely to cause any long-term kidney damage. The key is to get effective treatment to remove any blockage and prevent infection. However, in some situations, kidney stones can have a more serious impact on kidney function.

If a large stone causes a prolonged blockage of the flow of urine from the kidney, it can cause pressure to build up, which can lead to permanent kidney damage over time. Similarly, recurrent kidney stones, especially those associated with frequent urinary tract infections (like struvite stones), can lead to scarring and a decline in kidney function. This is why managing and preventing stones is so important.

Furthermore, some of the underlying conditions that cause people to get kidney stones, such as certain inherited metabolic disorders or structural abnormalities of the kidney, can themselves be linked to kidney disease. As the National Kidney Foundation points out, having kidney stones can be a sign that you are at an increased risk of developing kidney disease later in life. Therefore, it is important to have your overall kidney health monitored if you are a recurrent stone former.

When Should I See a Specialist for Treatment of Kidney Stones?

You should see a specialist urologist for the treatment of kidney stones if you are experiencing severe pain that cannot be managed at home, or if you have symptoms of a blockage or infection, such as fever and chills. A specialist can provide immediate pain relief and perform the necessary diagnostic tests to determine the best course of action. If you have a stone that is too large to pass on its own, a specialist can offer the full range of modern urology treatment options to remove the stone.

Even if you have passed a small stone, it is a good idea to see a specialist for a follow-up evaluation. A urologist can help determine what caused the stone to form and create a personalised prevention plan to stop you from forming stones in the future. This might involve blood and urine tests to check for underlying metabolic issues and detailed dietary advice.

If you have a history of recurrent kidney stones, specialist management is essential. A urologist can monitor your kidney health, manage any underlying kidney disease that may be contributing to the stone formation, and provide ongoing treatment and prevention strategies. By working with a specialist, you can take control of your condition and significantly reduce the impact of kidney stones on your life.

Summary: Kidney Stones Key Things to Remember

• Kidney Stones are Hard Deposits: They form in your kidneys when there are high levels of certain substances in your urine.
• Severe Pain is a Key Symptom: The main symptom is intense, cramping pain in the back or side, which occurs when a stone moves and causes a blockage.
• Hydration is Crucial: Not drinking enough fluid is a major risk factor for all types of kidney stone.
• Treatment Depends on the Stone: A small stone may pass on its own, but a large stone will likely need treatment, such as shock wave lithotripsy or laser surgery, to remove it.
• Prevention is Possible: After your first kidney stone, you are at a higher risk of getting another. Prevention, through increased fluid intake and dietary changes, is key.
• Seek Specialist Care: If you have severe pain or recurrent stones, a specialist can provide expert diagnosis, treatment, and a personalised plan to prevent future stones.
• Nephrolithiasis: This term specifically refers to stones formed within the kidneys. 
• Urolithiasis: This is a broader term that encompasses stones forming anywhere within the urinary tract, including the kidneys, ureters, bladder, or urethra. 
• Renal Calculi: This is another term for kidney stones, often used interchangeably with nephrolithiasis. 
• Urinary Stones: This term is a general descriptor for stones in the urinary system.