This is the third in a series of blog posts designed to serve as a quick reference guide. Each will focus on a sudden injury or illness and is designed to help you make an informed decision on a plan of action when the unexpected happens. The seal-like, barking, cough that accompanies croup can be scary for both you and your child. You can treat a mild case of croup at home, but more serious cases need to be evaluated by a medical professional. This guide will help you decide.