Hi, i've had a kidney infection as a result of an untreated uti since last tuesday. Had a stabbing pain, got an intramuscular injection and fekt good since. Got prescribed a 7 day course of amoxicillin and been taking it as prescribed. Yesterday, after about 5 days of no issues, I started feeling a dull ache in the same kidney. I will be taking my last amoxicillin pill tomorrow and have a check-up at my urologist's on wednesday, but i've been feeling uneasy about it. Could it mean that the infection has not responded properly to the treatment? Or perhaps just a random residual ache? Thanks.