Do kidney stones without effusion hurt?

Pain is the most common symptom of kidney stone, most commonly occurs when the pain is obstructed, that is, when it cannot be transmitted from the kidney to the bladder even through urination, the degree of pain can be very mild, insignificant pain to severe pain, severe pain like knife strangulation is renal colic, especially when the kidney stone is dislodged The pain can range from mild to severe. Usually the pain is mild and severe, but it does not disappear completely. The pain may occur in the flanks, i.e., the ribs and buttocks on either side of the spine or in the lower abdomen, and may radiate to the groin.