Treatment Options for Kidney Stones

Medically reviewed by Dr. Griffin M, MBBS, MS (General Surgery), MCh (Urology). Specialist in Urology, Andrology & Kidney Transplant Surgery | Last reviewed: September 2026 

Kidney stones are hard deposits of minerals and salts that form inside the kidneys, and they’re one of the most common reasons people visit a urologist. Treatment Options for Kidney Stones depend on the stone’s size, its exact location, what it’s made of, and how it’s affecting you day to day. Some stones pass with nothing more than hydration and time, while others need a procedure to break them up or remove them directly.

This guide walks through how doctors decide on a treatment path, what each option actually involves, and what you can do afterward to lower your chances of forming another stone.

How Doctors Decide on a Treatment Plan

Before recommending anything, a urologist typically looks at four things: the size of the stone, where it’s sitting in the urinary tract, what it’s made of (calcium, uric acid, struvite, or cystine), and whether it’s causing pain, blockage, or infection. Small stones sitting quietly in the kidney with no symptoms are often just monitored. Larger stones, or ones causing a blockage, usually call for active treatment.

Imaging (typically a CT scan or ultrasound) and sometimes a urine or blood test help confirm all of this before a plan is set. This assessment matters because two stones of a similar size can call for very different approaches depending on where exactly they’re sitting and what they’re made of, so it’s worth resisting the urge to self-diagnose based on symptoms alone.

When is Treatment Actually Needed?

Not every stone requires immediate action. Doctors generally recommend treatment when:

• Pain is persistent or severe, particularly if it’s not controlled by standard pain relief
• The stone is larger than about 6mm, since stones this size are unlikely to pass on their own
• The stone is blocking the urinary tract, which can lead to kidney damage if left untreated
• There’s an associated infection, which can become serious quickly if the stone isn’t cleared
• Stones keep recurring, which may call for a longer-term prevention plan rather than repeated one-off treatment

Treatment Options for Kidney Stones: Non-Surgical Treatments

Most small stones, especially those under about 5mm, can pass with supportive care rather than a procedure.

• Hydration. Drinking roughly 2 to 3 litres of water a day is the foundation of non-surgical treatment. It dilutes the urine and increases flow, both of which help move a stone along.
• Pain management. Over-the-counter medications such as ibuprofen or acetaminophen are commonly used to manage discomfort while a stone passes.
• Alpha blockers. These are prescription medications that relax the muscles of the ureter, making it easier for a stone to move through and pass out with urine. They’re commonly prescribed for stones that are borderline in size.
• Dietary support. Citrus fruits like lemons and oranges provide citrate, which can help prevent certain stones from growing further. Some patients also use herbal supplements such as Chanca Piedra, though the evidence for these is mostly traditional rather than backed by large clinical trials, so they should be seen as supportive rather than primary treatment.

If a stone doesn’t pass within a few weeks, or symptoms worsen, it’s time to move on to a procedural option.

Medications Used in Kidney Stone Care

Beyond pain relief and alpha blockers, doctors sometimes prescribe medication aimed at preventing future stones, particularly for people who form them repeatedly:

• Thiazide diuretics, which reduce the amount of calcium the kidneys excrete into urine
• Potassium citrate, which raises urine citrate levels and makes it harder for calcium stones to form
• Allopurinol, used specifically for people who form uric acid stones

These medications are generally started after a metabolic workup identifies exactly why a person keeps forming stones, so they’re tailored rather than prescribed automatically.

Minimally Invasive and Surgical Procedures

When a stone is too large to pass on its own, or non-surgical measures haven’t worked, several procedures are available. All of these are well-established and commonly performed by urologists.

Extracorporeal Shock Wave Lithotripsy (ESWL)

ESWL is a non-invasive procedure that uses focused shock waves, delivered from outside the body, to break a stone into smaller fragments that can then pass naturally through urine. It’s typically used for stones under about 2cm and is usually done under light sedation or local anesthesia, with most patients going home the same day. Recovery is generally quick, though some soreness and blood in the urine for a few days afterward is common.

Ureteroscopy

Ureteroscopy involves passing a thin, flexible scope through the urethra and bladder and up into the ureter to directly reach the stone. Once located, the stone is either removed with a small basket-like device or broken apart using a laser (a technique often called laser lithotripsy). This approach works particularly well for stones lodged in the ureter itself, and it’s typically done as a day procedure with a relatively short recovery.

Percutaneous Nephrolithotomy (PCNL)

PCNL is reserved for larger or more complex stones, generally those over 2cm or difficult to reach with other methods. It’s performed under general anesthesia through a small incision in the back, giving the surgeon direct access to the kidney to remove the stone. Because it’s more invasive than ESWL or ureteroscopy, it usually involves a short hospital stay, but it also has a high success rate for stones that other methods can’t handle.

Choosing Between These Options

Broadly speaking, ESWL is favored for smaller, softer stones where a non-invasive approach makes sense; ureteroscopy suits stones sitting in the ureter; and PCNL is used for larger stones or ones with a difficult location. Your urologist will factor in stone composition too, since some stone types respond better to shock waves than others.

What to Expect During Recovery

Recovery time depends heavily on which treatment you have. After ESWL, most people resume normal activities within a day or two, though some mild discomfort and blood-tinged urine while stone fragments pass is common for up to a week or so. Ureteroscopy recovery is similarly quick; a temporary stent is sometimes placed in the ureter for a few days to keep it open while it heals, which can cause mild urinary discomfort until it’s removed.

PCNL, being the most invasive of the three, typically involves a hospital stay of one to two days and a recovery period of one to two weeks before returning to normal activity, longer for physically demanding work. In all cases, your urologist will usually schedule a follow-up scan a few weeks later to confirm the stone (or its fragments) have fully cleared, since undetected leftover fragments are a common reason stones come back.

Possible Complications of Treatment

Kidney stone treatments are generally safe and well-tolerated, but as with any medical procedure, there are risks worth knowing about:

• Infection, since any instrument entering the urinary tract carries some risk
• Bleeding, usually minor, though it’s more likely with more invasive procedures like PCNL
• Residual fragments, where small pieces of the stone remain and can act as a starting point for a new stone later
• Ureteral injury or scarring, which is uncommon but possible with ureteroscopy

Discussing these risks with your urologist beforehand, along with your specific health history, helps ensure the safest choice for your situation. Most complications, when they do occur, are manageable and resolved with appropriate follow-up care, and serious complications remain uncommon with modern techniques and experienced surgical teams.

Preventing Future Kidney Stones

Once a stone has been treated, prevention becomes the priority, especially if you’ve had more than one. Useful steps include:

• Staying consistently hydrated, aiming for pale yellow urine as a rough guide
• Reducing sodium intake, since high salt levels increase the calcium your kidneys excrete
• Moderating oxalate-rich foods such as spinach, nuts, and chocolate if you’re prone to calcium oxalate stones
• Getting adequate dietary calcium, since calcium from food actually helps bind oxalate in the gut rather than raising stone risk
• Reviewing medications with your doctor, since certain drugs can increase stone risk in some people
• Following up with metabolic testing if you’ve had recurrent stones, so any underlying cause can be identified and managed

Kidney Stone Treatment Cost in Chennai

Cost is often one of the first questions patients ask, and it varies quite a bit depending on the procedure, the hospital, and the treating doctor’s experience. Rather than fixed figures, it helps to think of the options in relative terms:

Costs also differ between government and private facilities, and can shift based on whether anesthesia, hospital stay, or follow-up scans are bundled into the quote. A consultation with a urologist is the best way to get an accurate, up-to-date estimate for your specific case.

Conclusion

Kidney stone treatment ranges from simple hydration and pain management for small stones to procedures like ESWL, ureteroscopy, and PCNL for larger or more complicated ones. The right path depends on your stone’s size, location, and composition, along with your overall health, so it’s worth having that conversation with a urologist rather than guessing based on symptoms alone. Prevention through hydration, diet, and, where needed, medication also plays a major role in keeping stones from coming back. If you’re currently dealing with a kidney stone, reach out to discuss your options and find the treatment best suited to your situation.