How long does kidney stone pain usually last

Kidney stones that are small in size usually do not cause pain. If the stone blocks the ureter, the pain can last for one or two hours or even longer, and can be accompanied by urinary pain, hematuria and other symptoms, which should be treated in time.
Patients with small kidney stones, and stones in the kidneys or bladder does not cause obstruction, at this time generally does not cause pain. When the stone wanders into the ureter, the stone friction stimulation easily cause pain symptoms, may last one to two hours.
The severity of the pain will gradually decrease with time. As the stone continues to travel down the ureter and reaches the bladder, the pain symptoms are relieved.
If the kidney stone is large and has been embedded in the ureter for a long time, there may be occasional episodes of colic, and the pain symptoms usually last for a few hours, and may be accompanied by painful urination and hematuria. The embedded stone may also cause dilatation of the ureter, causing damage to the kidney function, etc., which should be treated in time.
Kidney stone pain time is related to the size and location of the stone, the symptoms of discomfort should be timely consultation.