Northwell Health

Did you know?

In the United States, more than two out of every five adults over age 64 suffer from joint pain.


1 in 4 Americans experience chronic knee and hip pain in their lives.


Every day in the United States, people are missing work because of bone, joint and muscle pain.

Take our free assessment.


Improve the quality of your life. Assessing your pain is the first step.

What are kidney stones?

A kidney stone is a solid piece of material that forms in a kidney when there are high levels of certain substances in the urine. According to the National Kidney Foundation, 1 in 10 Americans will have a kidney stone in his or her lifetime, and each year more than half a million people visit emergency rooms for kidney stone problems — and the rates are rising.

Watch Northwell Health urologists Dr. Louis R. Kavoussi, chairman of Urology, Dr. David M. Hoenig and Dr. Zeph Okeke discuss what you should know about kidney stones, including:

  • Risk factors, including family history
  • Causes and kinds of stones
  • Ways to prevent stones
  • Which stones need to be treated
  • The best treatments for you based on size, location, composition and any other medical conditions you may have