Croup is an inflammation of the larynx (throat), trachea (windpipe), and bronchi (tubes that connect the trachea to the lungs). It occurs primarily in young children. Croup arises from a respiratory ...

Most croup cases are mild, but croup can be serious in younger kids and babies. Get immediate medical help if your child is having trouble breathing and swallowing, discoloration, retractions, and ...