my boy is 4 months old i can hear sounds of cough from his chest but nose n everything is clear no symptoms of having cold is that normal to hear such sounds?

A. Cough and Cold should be treated only after a proper examination by a doctor as there may be some associated factor . As the ffdirst line of treatment you can give steam inhalation which would be helpful . Cough Syp should be given only after a proper evaltuation .