I think kidney stones are caused from excess uric acid. I have have had them sometimes, since having my gall bladder out 13 years ago. Previous to that I had gall stones, but they predate my Lyme exposure.
ETA: apparently calcium oxalate is a more frequent cause, more than uric acid.
Post Edited (julymorning) : 12/14/2016 3:50:17 PM (GMT-7)