Severe pain in the side, back, lower abdomen, or groin
Pain that comes in waves and changes intensity
Pain or burning when urinating
Blood in the urine
Cloudy or foul-smelling urine
Frequent urge to urinate
Passing only small amounts of urine
Nausea or vomiting
Restlessness or inability to find a comfortable position
Fever or chills
Difficulty urinating
Pain that starts suddenly and is very intense
History of kidney stones
A doctor’s evaluation and imaging test confirming a stone