my 1and half year old baby girl had uti 2 weeks back and take antibiotic injection and after dat we had done the urine culture and it shows no bacteria ...but after one week she shows some nasal congestion and cough dn we show her a paediatrician and he prescribed some medicines like ascoril,zythrox and Lin but today she shows some difficulty in passing urine and I checked her urine and the urine test report shows some pus 3+ in 100 cells ...is this a concern one ? iam a little bit confused ...I also done usg abdomen there is no problem in kidney ....pls rely ..