Kidney stones can cause severe back and abdominal pain called renal colic during the process of expulsion. When renal colic occurs, pain medications need to be applied to relieve the pain quickly. Commonly used pain medications include the following: 1, non-steroidal drugs, such as diclofenac sodium enteric tablets, indomethacin, etc., can quickly relieve the pain of the lower back and abdomen, but has a stimulating effect on the stomach and intestines. 2, drugs to relieve smooth muscle spasm, commonly used are mebendazole, magnesium sulfate and progesterone, etc., can relieve the spasm of the smooth muscle of the ureter and relieve pain. 3, pain medications with anesthetic effect, commonly used are dulcolax, etc. The common ones are dulcolax and so on, which have the possibility of addiction when used repeatedly for a long time, but the pain relief effect is exact, fast-acting and strong.