Hi, I Recenty Had Total Knee Replace Month Ago, Had

Hi, I recenty had total knee replace month ago, had a blade infection in hospital caused severe pain, month Larter taking percocet only as needed , at night only weaning off and tramadol during day, but continue to have lower right pain like near bladder or kidneys and yellow urine, okay bowel movements, should I see if I have another urinary infection or just drink more water