question: dear doc,my 2 yr old daughter is getting repeated cold n cough.1mth back she had a bad viral fever with URTI which lasted for 20 days.she has had 3 episodes of URTI in last 3 mths.we had to ive antibiotics for 2 episodes.again now she is having bad cold and cough.her chest is clear all the time.what do u suggest.shd we take an x-ray chest to rule out primary complex.pl help.