How contagious is croup? my 2 yr old and 4 mo old were around child yesterday who was diagnosed last night. what should i look out for?

Croup: Look for barking cough, hoarseness and noisy breathing called stridor.Symptoms may be mild to moderate and get worse at night.It is contagious and caused by a virus and is self limiting and can be treated with steroids and in severe cases Epinephrine as well, children with sever cruip may need hospitalisation.

Croup: Croup is a respiratory viral illness that produces a cough that characteristically sounds like a seal barking. This is related to swelling produced in the upper airway. Patient may also develop a condition called stridor which is noise produced on breathing in (or out). You should observe for stridor, cough, fever, and labored breathing.