General disclaimer: "see your Doctor before doing anything".
If it were me, I'd lift if I felt OK, and I probably wouldn't lift I felt like shite. Apply that to Kidney stones, colds, flu or hangovers.
Many people (most people?) have kidney-, liver- and gall-stones galore in their respective organs, and it rarely affects them in a concsious way. Occasionally, and especially as these stones move (e.g. when they're on the way out), you can feel them, and it might make you want to do nothing (not even pee!), e.g. because of pain. Respect that, and do something about it.
May I presume you're doing something about the stones? If not, type the phrase in your web browser and learn more - there's a great deal you can do to cleanse yourself of these, without taking harmful drugs (which to me includes anything prescribed by a Doctor!). Include in your research dietary factors - why are you getting these to the extent that they bother you? Too much soda? Not enough water? etc...
Good luck - and may I wish you a painless-peeing Thanksgiving.