You are not clear of whether your girl is having Urinary tract infection
. Have u got a urine routine examination? the doctor might hv prescribed the antibiotic because of an infection. we need a detailed case history with the lab investigations to rule out whether she needs antibiotics or not. Kindly consult a urologist
for the same. For the kidney
stone we need proper assessment of where the stone is or whether because of that if there is any urine retention. Kindly get a normal Ultrasound
scan to get the status of the stone.