How much kidney stones can be excreted by themselves

Kidney stones smaller than 6mm, generally can be excreted by themselves.

Kidney stones are generally caused by the accumulation of stone components in the kidney, if the stone diameter is larger than 6mm, because it is difficult to expel or easy to occur incarceration, usually need surgery. For patients with stones smaller than 6mm in diameter, usually drink plenty of water, play a role in increasing urine volume, promoting urination, helping to reduce stone formation and small stone discharge. If necessary, diclofenac sodium, tamsulosin, atropine and other drugs can be used according to doctor's advice to reduce ureteral edema, relax ureteral smooth muscle, and help discharge stones.