form in the kidney. If they stay in the kidney, they typically do not cause
pain. When they travel out of the body through the tubes of the
urinary tract (including the
ureters, which connect the kidney to the bladder, or
urethra, which leads outside the body), their movement
No symptoms, if the stone is small enough.
Sudden, severe pain that gets worse in waves. Stones may cause
intense pain in the back, side, abdomen, groin, or genitals. People who have
had a kidney stone often describe the pain as "the worst pain I've ever had."
Blood in the urine (hematuria), which can occur either
with stones that stay in the kidney or with those that travel through the
Frequent and painful urination, which may occur when the
stone is in the ureter or after the stone has left the bladder and is in the
urethra. Painful urination may occur when a
urinary tract infection is also present.