Urine Related problem. Or sonography?

I m facing too much urine at night times I will done my sonography and also CT Scan thr stone is gone shown in CT Scan my doctor said my doctor.But It will not happening daily someday it's happening toilet issue at night time mostly, doctor said it will well soon don't worry I ll blv my doctor bcoz he is a well reputated doctor from durgapur IQ city hospital narayana group hospital. Doctor said to me it's bacteria or infection in your urinary tract system don't worry it will better soon, now I Stopped medicine from kidney or stone related,can I do one more CT scan or not plz suggest me doctor or sonography? I ll go toilet too much at night times, It's happened not daily but someday surely, sometimes urine speed is too fast and somedays urine is not coming from penis it's feel like stopped in the  penis I feel plz suggest me important information about this problem sir.my doctor suggest me you don't any operation he gives me bacteria or infection tablet he said it's infections problem