<s>[INST] I had lithotripsy done this past Tuesday (Aug. 24th) on my right kidney.  This is the second time in 4 years for this procedure.  My pain has been way worse this time around.  I woke up this morning with severe flank pain on both sides this morning which has subsided with pain meds.  I dont have a fever or any other symptoms....is this normal? [/INST] Good day, and thank you for being with Chat Doctor !!! There is pain and discomfort that is to be expected after lithography. It is good that pain medications are helping. You may observe for one to two days and gradually the pain would be gone. The pain could be the stone fragments that are going down the ureter after lithography. If you developed severe pain not controlled by pain medications, fever, or intractable vomiting then you should go to the emergency room to be properly assessed. I hope I have answered your question satisfactorily. </s>