What is croup?
Croup is a common respiratory childhood illness best known for producing a distinct cough that sounds like a barking seal. Croup affects a child’s airways, including the voice box (larynx), the windpipe (trachea), and the tubes going into the lungs (bronchi).
The infection causes these airways to swell and narrow. When air is forced through a narrow passage during a cough, swollen vocal cords produce a barking cough.Read More