Doctor found 3.2mm stone in my lower left ureter opening. He gave some medicine and told me to wait for one week in case the passes out naturally. Otherwise, I have to take operation. I had severe pain once in left abdominal. After that, I took painkiller and fortunately it dint hit again. Anyway, Its been more than one week, I still don't know if the stone passed out or not. I am not suffering from anything except the fever. Its not so high but more likely constant. Especially at night I feel it most. Please, I need help..what should I do..why is the fever?? I want to avoid the operation.