How Long Does Kidney Stone Take To Pass Through Urine After Taking Cyclopam?

Hi, I have a stone of 8mm in my left kidney. Doctor suggested Cyclopam and Lasilactone. I do not have any pain or vomiting sensation. It has been alsmot 3 months stone is now in left lower urator. So should I go through surgery or Should I wait for some time to pass it out. SK