What are the symptoms of kidney stones?

  Kidney stone is a relatively common disease, once the kidney stone has a great impact on our body, the body will have a variety of uncomfortable symptoms, what are the symptoms of people with kidney stones?  Asymptomatic: Most of the kidney calcium stones, physical examination line ultrasound examination found, urine examination negative or a small amount of red, white blood cells.  Second, dull pain in the back: mostly for larger stones in the renal pelvis such as cast stones, there may be hematuria after strenuous exercise.  Renal colic: often smaller stones, with microscopic or naked-eye hematuria, obvious percussion pain in the kidney area, pale face, cold sweat, rapid and weak pulse or even a drop in blood pressure, often accompanied by nausea, vomiting and abdominal distension and other gastrointestinal symptoms.  History of stone discharge: During the attack of pain and hematuria, sand or small stones may be discharged with the urine, and when the stones pass through the urethra, there is a blockage of urine flow and a stinging pain in the urethra.  V. Infection symptoms: pus urine may appear when combined with infection, and acute attacks may include chills, fever, back pain, urinary frequency, urinary urgency and pain.  Renal insufficiency: obstruction caused by kidney stones on one side can cause hydronephrosis and progressive renal decompensation; obstruction caused by bilateral kidney stones or isolated kidney stones can develop into uremia.  Urinary closure: bilateral kidney stones cause urinary tract obstruction on both sides, isolated kidney or the only functional kidney stone obstruction can occur urinary closure, one side of the kidney stone obstruction, the opposite side can occur reflex urinary closure.  Eight, lumbar mass: stone obstruction caused by severe hydronephrosis, can be found in the waist or upper abdomen mass.