Kidney stones are becoming more common, especially in warm weather. Many of us think that 10–12 glasses of water a day will flush out kidney stones — but is that actually the answer? Today’s urologist tells us what works, and what doesn’t.

What Are Kidney Stones?

Kidney stones are small, hard crystal-like particles that form in the kidneys when minerals such as calcium, oxalate or uric acid build up in urine. Dr Amit Saple said dehydration was one of the leading causes — particularly in hot regions where people do not drink enough water.

Does Drinking Water Really Help?

Does Drinking Water Actually Help? Yes — but in a way many people don’t realize. Drinking water helps prevent kidney stones. It provides dilute urine so minerals can’t stick together. It decreases the risk of new stones developing. But here’s the thing: Water doesn’t dissolve kidney stones. 

When Can Water Help Pass Stones?

When might water be beneficial in the passage of stones? Water can help only in certain cases: If the stone is very small (less than 5 mm). More water = more urine flow. This might help push out the small stone naturally.

When Water Is NOT Enough

For big stones, drinking water won’t suffice. Stones larger than 6–7 mm typically require treatment. Severe pain, infection or blockage must go to the hospital. Treatment may include: Medicines. Shock wave therapy. Minor surgical procedures. If your symptoms are ignored it can lead to serious complications such as infection or kidney damage.

How Much Water Should You Drink?

Experts recommend: Around 10–12 glasses of water per day. Try to get 2–2.5 litres of urine output. Urine ought to be clear or light yellow.

Extra Tips to Prevent Kidney Stones

Additional Guidance to Avoid Kidney Stones. Reduce salt intake. Avoid high-oxalate foods (like spinach, nuts). Keep calcium intake moderate. 

Final Takeaway

Drinking water is your first line of defence, but not a complete solution. It helps prevent kidney stones and pass very small ones—but larger stones need proper medical treatment.